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28413116040 = 23351943928387
BaseRepresentation
bin11010011101100011…
…011011111010001000
32201100011021211211010
4122131203123322020
5431142224203130
621015223403520
72024050334001
oct323543337210
981304254733
1028413116040
1111060510691
12560b5b35a0
1328aa6a22ca
1415377aa1a8
15b1466b0b0
hex69d8dbe88

28413116040 has 128 divisors (see below), whose sum is σ = 89933184000. Its totient is φ = 7161447168.

The previous prime is 28413115967. The next prime is 28413116041. The reversal of 28413116040 is 4061131482.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 28413115989 and 28413116007.

It is not an unprimeable number, because it can be changed into a prime (28413116041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 986727 + ... + 1015113.

It is an arithmetic number, because the mean of its divisors is an integer number (702603000).

Almost surely, 228413116040 is an apocalyptic number.

28413116040 is a gapful number since it is divisible by the number (20) 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 28413116040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44966592000).

28413116040 is an abundant number, since it is smaller than the sum of its proper divisors (61520067960).

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

28413116040 is a wasteful number, since it uses less digits than its factorization.

28413116040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28859 (or 28855 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

It can be divided in two parts, 28413 and 116040, that added together give a triangular number (144453 = T537).

The spelling of 28413116040 in words is "twenty-eight billion, four hundred thirteen million, one hundred sixteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 439 456 570 760 878 1140 1317 1756 2195 2280 2634 3512 4390 5268 6585 8341 8780 10536 13170 16682 17560 25023 26340 28387 33364 41705 50046 52680 56774 66728 83410 85161 100092 113548 125115 141935 166820 170322 200184 227096 250230 283870 333640 340644 425805 500460 539353 567740 681288 851610 1000920 1078706 1135480 1618059 1703220 2157412 2696765 3236118 3406440 4314824 5393530 6472236 8090295 10787060 12461893 12944472 16180590 21574120 24923786 32361180 37385679 49847572 62309465 64722360 74771358 99695144 124618930 149542716 186928395 236775967 249237860 299085432 373856790 473551934 498475720 710327901 747713580 947103868 1183879835 1420655802 1495427160 1894207736 2367759670 2841311604 3551639505 4735519340 5682623208 7103279010 9471038680 14206558020 28413116040