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1255131625071 = 31747523626043
BaseRepresentation
bin10010010000111011101…
…011001011011001101111
311102222201021120211211010
4102100323223023121233
5131031002144000241
62400333254400303
7156452221532562
oct22207353133157
94388637524733
101255131625071
11444331098aa5
12183305060093
139148755066c
1444a6a5c04d9
15229aed36d16
hex1243bacb66f

1255131625071 has 16 divisors (see below), whose sum is σ = 1809651608064. Its totient is φ = 770777533824.

The previous prime is 1255131624997. The next prime is 1255131625087. The reversal of 1255131625071 is 1705261315521.

It is not a de Polignac number, because 1255131625071 - 29 = 1255131624559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255131625091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261810625 + ... + 261815418.

It is an arithmetic number, because the mean of its divisors is an integer number (113103225504).

Almost surely, 21255131625071 is an apocalyptic number.

1255131625071 is a deficient number, since it is larger than the sum of its proper divisors (554519982993).

1255131625071 is a wasteful number, since it uses less digits than its factorization.

1255131625071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523626110.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 1255131625071 in words is "one trillion, two hundred fifty-five billion, one hundred thirty-one million, six hundred twenty-five thousand, seventy-one".

Divisors: 1 3 17 47 51 141 799 2397 523626043 1570878129 8901642731 24610424021 26704928193 73831272063 418377208357 1255131625071