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58015251085 = 511295892977
BaseRepresentation
bin110110000001111110…
…100111101010001101
312112202011221010002011
4312001332213222031
51422303401013320
642352444101221
74122446332501
oct660176475215
9175664833064
1058015251085
1122671107900
12b2b1234811
1356174c284c
142b45048301
1517983a405a
hexd81fa7a8d

58015251085 has 12 divisors (see below), whose sum is σ = 76522596444. Its totient is φ = 42192909440.

The previous prime is 58015251079. The next prime is 58015251097.

58015251085 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 20017156324 + 37998094761 = 141482^2 + 194931^2 .

It is not a de Polignac number, because 58015251085 - 25 = 58015251053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47945884 + ... + 47947093.

It is an arithmetic number, because the mean of its divisors is an integer number (6376883037).

Almost surely, 258015251085 is an apocalyptic number.

58015251085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

58015251085 is a deficient number, since it is larger than the sum of its proper divisors (18507345359).

58015251085 is a wasteful number, since it uses less digits than its factorization.

58015251085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95893004 (or 95892993 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 40.

The spelling of 58015251085 in words is "fifty-eight billion, fifteen million, two hundred fifty-one thousand, eighty-five".

Divisors: 1 5 11 55 121 605 95892977 479464885 1054822747 5274113735 11603050217 58015251085