Search a number
-
+
20925859260976 = 243142189232381
BaseRepresentation
bin1001100001000001011100…
…11010000110101000110000
32202002111022010000011011121
410300200232122012220300
510220322124432322401
6112301112415152024
74256562204625555
oct460405632065060
982074263004147
1020925859260976
11673867502039a
12241b6a3b15614
13b8a3b93079a7
14524b61b80a2c
152644e2715ca1
hex13082e686a30

20925859260976 has 20 divisors (see below), whose sum is σ = 41851718522944. Its totient is φ = 10125415771200.

The previous prime is 20925859260953. The next prime is 20925859261093. The reversal of 20925859260976 is 67906295852902.

It is a happy number.

20925859260976 is an admirable number.

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, 21094615695 + ... + 21094616686.

Almost surely, 220925859260976 is an apocalyptic number.

It is an amenable number.

20925859260976 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.

20925859260976 is a wasteful number, since it uses less digits than its factorization.

20925859260976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42189232420 (or 42189232414 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 70.

The spelling of 20925859260976 in words is "twenty trillion, nine hundred twenty-five billion, eight hundred fifty-nine million, two hundred sixty thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 16 31 62 124 248 496 42189232381 84378464762 168756929524 337513859048 675027718096 1307866203811 2615732407622 5231464815244 10462929630488 20925859260976