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55870080079 = 112974760167
BaseRepresentation
bin110100000010000111…
…011100010001001111
312100012200102010200011
4310002013130101033
51403410220030304
641355533414051
74015340562562
oct640207342117
9170180363604
1055870080079
1121770227100
12a9b293a327
135364c4a5a8
1429c01a04d9
1516bedb7c04
hexd021dc44f

55870080079 has 12 divisors (see below), whose sum is σ = 62044029712. Its totient is φ = 50267352960.

The previous prime is 55870080073. The next prime is 55870080107. The reversal of 55870080079 is 97008007855.

It is not a de Polignac number, because 55870080079 - 217 = 55869949007 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55870080073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2368347 + ... + 2391820.

Almost surely, 255870080079 is an apocalyptic number.

55870080079 is a deficient number, since it is larger than the sum of its proper divisors (6173949633).

55870080079 is a wasteful number, since it uses less digits than its factorization.

55870080079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760286 (or 4760275 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 55870080079 in words is "fifty-five billion, eight hundred seventy million, eighty thousand, seventy-nine".

Divisors: 1 11 97 121 1067 11737 4760167 52361837 461736199 575980207 5079098189 55870080079