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1255125047159 = 171992617141769
BaseRepresentation
bin10010010000111011010…
…010000101011101110111
311102222200211012122121202
4102100323102011131313
5131030444003002114
62400332501403115
7156452111605154
oct22207322053567
94388624178552
101255125047159
11444328405a05
12183302a0949b
13914860895c9
1444a6978b22b
15229ae487cde
hex1243b485777

1255125047159 has 16 divisors (see below), whose sum is σ = 1336153896000. Its totient is φ = 1174900598784.

The previous prime is 1255125047117. The next prime is 1255125047173. The reversal of 1255125047159 is 9517405215521.

It is a cyclic number.

It is not a de Polignac number, because 1255125047159 - 228 = 1254856611703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255125047459) 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, 8782427 + ... + 8924195.

It is an arithmetic number, because the mean of its divisors is an integer number (83509618500).

Almost surely, 21255125047159 is an apocalyptic number.

1255125047159 is a deficient number, since it is larger than the sum of its proper divisors (81028848841).

1255125047159 is a wasteful number, since it uses less digits than its factorization.

1255125047159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144602.

The product of its (nonzero) digits is 630000, while the sum is 47.

The spelling of 1255125047159 in words is "one trillion, two hundred fifty-five billion, one hundred twenty-five million, forty-seven thousand, one hundred fifty-nine".

Divisors: 1 17 199 2617 3383 44489 141769 520783 2410073 8853311 28212031 371009473 479604527 6307161041 73830885127 1255125047159