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15450542255060 = 225112291150319139
BaseRepresentation
bin1110000011010101110000…
…0101010010101111010100
32000201001112212002022221222
43200311130011102233110
54011120202304130220
652505514153425512
73153156561156653
oct340653405225724
960631485068858
1015450542255060
114a175a1343200
12189650340b298
13880c97a58a03
143b5b4b3dd19a
151bbd86315e25
hexe0d5c152bd4

15450542255060 has 144 divisors (see below), whose sum is σ = 36898863724800. Its totient is φ = 5423886800640.

The previous prime is 15450542255053. The next prime is 15450542255069. The reversal of 15450542255060 is 6055224505451.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15450542255069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 807270971 + ... + 807290109.

It is an arithmetic number, because the mean of its divisors is an integer number (256242109200).

Almost surely, 215450542255060 is an apocalyptic number.

15450542255060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15450542255060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18449431862400).

15450542255060 is an abundant number, since it is smaller than the sum of its proper divisors (21448321469740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15450542255060 is a wasteful number, since it uses less digits than its factorization.

15450542255060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30702 (or 30689 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 15450542255060 in words is "fifteen trillion, four hundred fifty billion, five hundred forty-two million, two hundred fifty-five thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 121 145 220 242 290 319 484 580 605 638 1210 1276 1595 2420 3190 3509 6380 7018 11503 14036 17545 19139 23006 35090 38278 46012 57515 70180 76556 95695 115030 126533 191390 210529 230060 253066 333587 382780 421058 506132 555031 632665 667174 842116 1052645 1110062 1265330 1334348 1391863 1667935 2105290 2220124 2315819 2530660 2775155 2783726 3335870 3669457 4210580 4631638 5550310 5567452 6105341 6671740 6959315 7338914 9263276 11100620 11579095 12210682 13918630 14677828 18347285 23158190 24421364 27837260 30526705 36694570 40364027 46316380 61053410 67158751 73389140 80728054 122106820 134317502 161456108 201820135 220155917 268635004 335793755 403640270 440311834 671587510 807280540 880623668 1100779585 1343175020 2201559170 2421715087 4403118340 4843430174 6384521593 9686860348 12108575435 12769043186 24217150870 25538086372 26638865957 31922607965 48434301740 53277731914 63845215930 70229737523 106555463828 127690431860 133194329785 140459475046 266388659570 280918950092 351148687615 532777319140 702297375230 772527112753 1404594750460 1545054225506 3090108451012 3862635563765 7725271127530 15450542255060