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71055261399 = 3113997321017
BaseRepresentation
bin100001000101100111…
…0010011111011010111
320210101222000021101010
41002023032103323113
52131010121331044
652350424503303
75063546520333
oct1021316237327
9223358007333
1071055261399
112815292a631
121193031ab33
136914c62995
143620c2a7c3
151cad0aabb9
hex108b393ed7

71055261399 has 16 divisors (see below), whose sum is σ = 95592890592. Its totient is φ = 46944027648.

The previous prime is 71055261373. The next prime is 71055261449. The reversal of 71055261399 is 99316255017.

It is not a de Polignac number, because 71055261399 - 223 = 71046872791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71055261349) 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, 3370339 + ... + 3391355.

It is an arithmetic number, because the mean of its divisors is an integer number (5974555662).

Almost surely, 271055261399 is an apocalyptic number.

71055261399 is a deficient number, since it is larger than the sum of its proper divisors (24537629193).

71055261399 is a wasteful number, since it uses less digits than its factorization.

71055261399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31106.

The product of its (nonzero) digits is 510300, while the sum is 48.

The spelling of 71055261399 in words is "seventy-one billion, fifty-five million, two hundred sixty-one thousand, three hundred ninety-nine".

Divisors: 1 3 113 339 9973 21017 29919 63051 1126949 2374921 3380847 7124763 209602541 628807623 23685087133 71055261399