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80563952901 = 31741241159871
BaseRepresentation
bin100101100000111111…
…1000101110100000101
321200221122021211221110
41023001333011310011
52304443332443101
6101002141035233
75551310205105
oct1130177056405
9250848254843
1080563952901
1131192284263
1213744855b19
13779bc1c163
143c83a1b205
152167c6acd6
hex12c1fc5d05

80563952901 has 32 divisors (see below), whose sum is σ = 116995608576. Its totient is φ = 49112064000.

The previous prime is 80563952869. The next prime is 80563952927. The reversal of 80563952901 is 10925936508.

It is a happy number.

It is not a de Polignac number, because 80563952901 - 25 = 80563952869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80563952941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423996 + ... + 583866.

It is an arithmetic number, because the mean of its divisors is an integer number (3656112768).

Almost surely, 280563952901 is an apocalyptic number.

It is an amenable number.

80563952901 is a deficient number, since it is larger than the sum of its proper divisors (36431655675).

80563952901 is a wasteful number, since it uses less digits than its factorization.

80563952901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160173.

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 80563952901 in words is "eighty billion, five hundred sixty-three million, nine hundred fifty-two thousand, nine hundred one".

Divisors: 1 3 17 41 51 123 241 697 723 2091 4097 9881 12291 29643 159871 167977 479613 503931 2717807 6554711 8153421 19664133 38528911 111430087 115586733 334290261 654991487 1579685351 1964974461 4739056053 26854650967 80563952901