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80004208757 = 1123449704281
BaseRepresentation
bin100101010000010011…
…1110101100001110101
321122111122000220022212
41022200213311201311
52302322034140012
6100430423503205
75531402361014
oct1124047654165
9248448026285
1080004208757
1130a253211a0
12136092b7b05
13770cc796c5
143c2d552a7b
152133a50b22
hex12a09f5875

80004208757 has 16 divisors (see below), whose sum is σ = 91274947200. Its totient is φ = 69413836800.

The previous prime is 80004208681. The next prime is 80004208763. The reversal of 80004208757 is 75780240008.

It is not a de Polignac number, because 80004208757 - 236 = 11284732021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80004208787) 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, 238544 + ... + 465737.

It is an arithmetic number, because the mean of its divisors is an integer number (5704684200).

Almost surely, 280004208757 is an apocalyptic number.

It is an amenable number.

80004208757 is a deficient number, since it is larger than the sum of its proper divisors (11270738443).

80004208757 is a wasteful number, since it uses less digits than its factorization.

80004208757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704764.

The product of its (nonzero) digits is 125440, while the sum is 41.

The spelling of 80004208757 in words is "eighty billion, four million, two hundred eight thousand, seven hundred fifty-seven".

Divisors: 1 11 23 253 449 4939 10327 113597 704281 7747091 16198463 178183093 316222169 3478443859 7273109887 80004208757