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28802162944 = 28106072
BaseRepresentation
bin11010110100101111…
…100010000100000000
32202100021100110211201
4122310233202010000
5432441323203234
621122002150544
72036513226352
oct326457420400
982307313751
1028802162944
1111240085355
1256b9952454
13294017a289
14157331d0d2
15b388b9314
hex6b4be2100

28802162944 has 27 divisors (see below), whose sum is σ = 57497238127. Its totient is φ = 14399723776.

The previous prime is 28802162941. The next prime is 28802162959. The reversal of 28802162944 is 44926120882.

The square root of 28802162944 is 169712.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28802162894 and 28802162903.

It is not an unprimeable number, because it can be changed into a prime (28802162941) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2710089 + ... + 2720695.

Almost surely, 228802162944 is an apocalyptic number.

28802162944 is the 169712-nd square number.

It is an amenable number.

28802162944 is a deficient number, since it is larger than the sum of its proper divisors (28695075183).

28802162944 is an frugal number, since it uses more digits than its factorization.

28802162944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21230 (or 10609 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 28802162944 in words is "twenty-eight billion, eight hundred two million, one hundred sixty-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 10607 21214 42428 84856 169712 339424 678848 1357696 2715392 112508449 225016898 450033796 900067592 1800135184 3600270368 7200540736 14401081472 28802162944