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139829627845 = 5295318195137
BaseRepresentation
bin1000001000111001111…
…1101100101111000101
3111100220222010002002101
42002032133230233011
54242332341042340
6144123054112101
713050052140325
oct2021637545705
9440828102071
10139829627845
11543351a8006
12231247ab631
13102554ac47b
146aa6b5d285
153985cbac9a
hex208e7ecbc5

139829627845 has 16 divisors (see below), whose sum is σ = 176856741360. Its totient is φ = 105968472064.

The previous prime is 139829627827. The next prime is 139829627869. The reversal of 139829627845 is 548726928931.

It is a Cunningham number, because it is equal to 3739382+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 139829627844 = 1^2 + 373938^2 .

It is a cyclic number.

It is not a de Polignac number, because 139829627845 - 213 = 139829619653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9089884 + ... + 9105253.

It is an arithmetic number, because the mean of its divisors is an integer number (11053546335).

Almost surely, 2139829627845 is an apocalyptic number.

It is an amenable number.

139829627845 is a deficient number, since it is larger than the sum of its proper divisors (37027113515).

139829627845 is a wasteful number, since it uses less digits than its factorization.

139829627845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18195224.

The product of its digits is 52254720, while the sum is 64.

The spelling of 139829627845 in words is "one hundred thirty-nine billion, eight hundred twenty-nine million, six hundred twenty-seven thousand, eight hundred forty-five".

Divisors: 1 5 29 53 145 265 1537 7685 18195137 90975685 527658973 964342261 2638294865 4821711305 27965925569 139829627845