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28975241832 = 2331967948391
BaseRepresentation
bin11010111111000011…
…110001101001101000
32202210100000210102220
4122333003301221220
5433320130214312
621151103554040
72044014330465
oct327703615150
982710023386
1028975241832
1111319850059
1257478bb920
132969c99b14
14158c2d466c
15b48ba6c8c
hex6bf0f1a68

28975241832 has 64 divisors (see below), whose sum is σ = 77388787200. Its totient is φ = 9013498560.

The previous prime is 28975241809. The next prime is 28975241839. The reversal of 28975241832 is 23814257982.

It is not an unprimeable number, because it can be changed into a prime (28975241839) 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 15 ways as a sum of consecutive naturals, for example, 443644 + ... + 504747.

It is an arithmetic number, because the mean of its divisors is an integer number (1209199800).

Almost surely, 228975241832 is an apocalyptic number.

It is an amenable number.

28975241832 is an abundant number, since it is smaller than the sum of its proper divisors (48413545368).

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

28975241832 is a wasteful number, since it uses less digits than its factorization.

28975241832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948486 (or 948482 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 28975241832 in words is "twenty-eight billion, nine hundred seventy-five million, two hundred forty-one thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 67 76 114 134 152 201 228 268 402 456 536 804 1273 1608 2546 3819 5092 7638 10184 15276 30552 948391 1896782 2845173 3793564 5690346 7587128 11380692 18019429 22761384 36038858 54058287 63542197 72077716 108116574 127084394 144155432 190626591 216233148 254168788 381253182 432466296 508337576 762506364 1207301743 1525012728 2414603486 3621905229 4829206972 7243810458 9658413944 14487620916 28975241832