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28133350532 = 2271004762519
BaseRepresentation
bin11010001100111000…
…001101110010000100
32200121122212021200122
4122030320031302010
5430104114204112
620531351201112
72014112351060
oct321470156204
980548767618
1028133350532
1110a275a7721
125551976198
13286473a5a1
14150c582aa0
15ae9d07872
hex68ce0dc84

28133350532 has 12 divisors (see below), whose sum is σ = 56266701120. Its totient is φ = 12057150216.

The previous prime is 28133350513. The next prime is 28133350549. The reversal of 28133350532 is 23505333182.

28133350532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28133350492 and 28133350501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502381232 + ... + 502381287.

It is an arithmetic number, because the mean of its divisors is an integer number (4688891760).

Almost surely, 228133350532 is an apocalyptic number.

It is an amenable number.

28133350532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28133350532 is a wasteful number, since it uses less digits than its factorization.

28133350532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004762530 (or 1004762528 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 28133350532 in words is "twenty-eight billion, one hundred thirty-three million, three hundred fifty thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 1004762519 2009525038 4019050076 7033337633 14066675266 28133350532