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80475939923 = 1741293394063
BaseRepresentation
bin100101011110010111…
…1010110010001010011
321200201111200022211112
41022330233112101103
52304303320034143
6100545314403535
75546161126361
oct1127457262123
9250644608745
1080475939923
113114762a865
121371b2905ab
137786914782
143c7606a631
152160182e18
hex12bcbd6453

80475939923 has 16 divisors (see below), whose sum is σ = 87586240896. Its totient is φ = 73642306560.

The previous prime is 80475939913. The next prime is 80475939979. The reversal of 80475939923 is 32993957408.

It is a cyclic number.

It is not a de Polignac number, because 80475939923 - 232 = 76180972627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80475939913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7190 + ... + 401252.

It is an arithmetic number, because the mean of its divisors is an integer number (5474140056).

Almost surely, 280475939923 is an apocalyptic number.

80475939923 is a deficient number, since it is larger than the sum of its proper divisors (7110300973).

80475939923 is a wasteful number, since it uses less digits than its factorization.

80475939923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394414.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 80475939923 in words is "eighty billion, four hundred seventy-five million, nine hundred thirty-nine thousand, nine hundred twenty-three".

Divisors: 1 17 41 293 697 4981 12013 204221 394063 6699071 16156583 115460459 274661911 1962827803 4733878819 80475939923