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28057746632 = 2313126772659
BaseRepresentation
bin11010001000010111…
…110011110011001000
32200102101121012122012
4122020113303303020
5424430240343012
620520050515052
72012203624406
oct321027636310
980371535565
1028057746632
1110998959363
125530595a88
132851b89156
141502502476
15ae3371622
hex6885f3cc8

28057746632 has 16 divisors (see below), whose sum is σ = 53009866800. Its totient is φ = 13921782160.

The previous prime is 28057746583. The next prime is 28057746697. The reversal of 28057746632 is 23664775082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13385282 + ... + 13387377.

It is an arithmetic number, because the mean of its divisors is an integer number (3313116675).

Almost surely, 228057746632 is an apocalyptic number.

It is an amenable number.

28057746632 is a deficient number, since it is larger than the sum of its proper divisors (24952120168).

28057746632 is a wasteful number, since it uses less digits than its factorization.

28057746632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26772796 (or 26772792 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 28057746632 in words is "twenty-eight billion, fifty-seven million, seven hundred forty-six thousand, six hundred thirty-two".

Divisors: 1 2 4 8 131 262 524 1048 26772659 53545318 107090636 214181272 3507218329 7014436658 14028873316 28057746632