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98742039240 = 233513617102587
BaseRepresentation
bin101101111110101111…
…0111111001011001000
3100102212111120022111110
41123331132333023020
53104210430223430
6113210024330320
710063630325265
oct1337536771310
9312774508443
1098742039240
1138970341609
12171786139a0
139408003570
144ac9d6426c
15287daa07b0
hex16fd7bf2c8

98742039240 has 128 divisors (see below), whose sum is σ = 319532895360. Its totient is φ = 24266102784.

The previous prime is 98742039211. The next prime is 98742039241. The reversal of 98742039240 is 4293024789.

It is a self number, because there is not a number n which added to its sum of digits gives 98742039240.

It is not an unprimeable number, because it can be changed into a prime (98742039241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911227 + ... + 1013813.

It is an arithmetic number, because the mean of its divisors is an integer number (2496350745).

Almost surely, 298742039240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98742039240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159766447680).

98742039240 is an abundant number, since it is smaller than the sum of its proper divisors (220790856120).

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

98742039240 is a wasteful number, since it uses less digits than its factorization.

98742039240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103231 (or 103227 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 98742039240 in words is "ninety-eight billion, seven hundred forty-two million, thirty-nine thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 617 780 1234 1560 1851 2468 3085 3702 4936 6170 7404 8021 9255 12340 14808 16042 18510 24063 24680 32084 37020 40105 48126 64168 74040 80210 96252 102587 120315 160420 192504 205174 240630 307761 320840 410348 481260 512935 615522 820696 962520 1025870 1231044 1333631 1538805 2051740 2462088 2667262 3077610 4000893 4103480 5334524 6155220 6668155 8001786 10669048 12310440 13336310 16003572 20004465 26672620 32007144 40008930 53345240 63296179 80017860 126592358 160035720 189888537 253184716 316480895 379777074 506369432 632961790 759554148 822850327 949442685 1265923580 1519108296 1645700654 1898885370 2468550981 2531847160 3291401308 3797770740 4114251635 4937101962 6582802616 7595541480 8228503270 9874203924 12342754905 16457006540 19748407848 24685509810 32914013080 49371019620 98742039240