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59981468065 = 5291021405157
BaseRepresentation
bin110111110111001011…
…001001000110100001
312201211012201021201021
4313313023021012201
51440320223434230
643315523005441
74222253031511
oct676713110641
9181735637637
1059981468065
112348aa7a812
12b75b809881
13586b96c04c
142c9022b841
151860ce1c7a
hexdf72c91a1

59981468065 has 16 divisors (see below), whose sum is σ = 74532865680. Its totient is φ = 46285021440.

The previous prime is 59981468059. The next prime is 59981468081. The reversal of 59981468065 is 56086418995.

It can be written as a sum of positive squares in 8 ways, for example, as 2718892449 + 57262575616 = 52143^2 + 239296^2 .

It is a de Polignac number, because none of the positive numbers 2k-59981468065 is a prime.

It is a super-2 number, since 2×599814680652 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 59981467994 and 59981468012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54534 + ... + 350623.

It is an arithmetic number, because the mean of its divisors is an integer number (4658304105).

Almost surely, 259981468065 is an apocalyptic number.

It is an amenable number.

59981468065 is a deficient number, since it is larger than the sum of its proper divisors (14551397615).

59981468065 is a wasteful number, since it uses less digits than its factorization.

59981468065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406212.

The product of its (nonzero) digits is 18662400, while the sum is 61.

The spelling of 59981468065 in words is "fifty-nine billion, nine hundred eighty-one million, four hundred sixty-eight thousand, sixty-five".

Divisors: 1 5 29 145 1021 5105 29609 148045 405157 2025785 11749553 58747765 413665297 2068326485 11996293613 59981468065