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10851051808 = 251621209189
BaseRepresentation
bin10100001101100010…
…11110100100100000
31001000020011112201201
422012301132210200
5134210332124213
64552423410544
7532620263362
oct120661364440
931006145651
1010851051808
114669154913
122129bb3a54
13103c10641c
1474d1bad32
1543796b6dd
hex286c5e920

10851051808 has 24 divisors (see below), whose sum is σ = 21376289340. Its totient is φ = 5422152960.

The previous prime is 10851051797. The next prime is 10851051817. The reversal of 10851051808 is 80815015801.

It can be written as a sum of positive squares in 2 ways, for example, as 10830148624 + 20903184 = 104068^2 + 4572^2 .

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, 52723 + ... + 156466.

Almost surely, 210851051808 is an apocalyptic number.

It is an amenable number.

10851051808 is a deficient number, since it is larger than the sum of its proper divisors (10525237532).

10851051808 is a wasteful number, since it uses less digits than its factorization.

10851051808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210820 (or 210812 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 37.

The spelling of 10851051808 in words is "ten billion, eight hundred fifty-one million, fifty-one thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 1621 3242 6484 12968 25936 51872 209189 418378 836756 1673512 3347024 6694048 339095369 678190738 1356381476 2712762952 5425525904 10851051808