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20895950476928 = 27163249613101
BaseRepresentation
bin1001100000001001101111…
…01101001001011010000000
32201222122002201100111120002
410300010313231021122000
510214324401310230203
6112235244522135132
74254453063305462
oct460046755113200
981878081314502
1020895950476928
116726a1731924a
1224159376514a8
13b87630acc137
145235258bc132
15263841b08d88
hex130137b49680

20895950476928 has 16 divisors (see below), whose sum is σ = 41628651341010. Its totient is φ = 10447975238400.

The previous prime is 20895950476861. The next prime is 20895950476967. The reversal of 20895950476928 is 82967405959802.

It can be written as a sum of positive squares in only one way, i.e., 20320549340224 + 575401136704 = 4507832^2 + 758552^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81624806423 + ... + 81624806678.

Almost surely, 220895950476928 is an apocalyptic number.

It is an amenable number.

20895950476928 is a deficient number, since it is larger than the sum of its proper divisors (20732700864082).

20895950476928 is an equidigital number, since it uses as much as digits as its factorization.

20895950476928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163249613115 (or 163249613103 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 74.

The spelling of 20895950476928 in words is "twenty trillion, eight hundred ninety-five billion, nine hundred fifty million, four hundred seventy-six thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 128 163249613101 326499226202 652998452404 1305996904808 2611993809616 5223987619232 10447975238464 20895950476928