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15137319105793 = 373975931737809
BaseRepresentation
bin1101110001000110111010…
…0001110011010100000001
31222121010001210110201111201
43130101232201303110001
53441002212142341133
652105553254341201
73121430610265603
oct334215641632401
958533053421451
1015137319105793
114906779008175
12184586965a801
1385a59b557431
143a4916045173
151b3b52d26d7d
hexdc46e873501

15137319105793 has 16 divisors (see below), whose sum is σ = 15611887233360. Its totient is φ = 14666320982016.

The previous prime is 15137319105763. The next prime is 15137319105809. The reversal of 15137319105793 is 39750191373151.

It can be written as a sum of positive squares in 8 ways, for example, as 5006549451024 + 10130769654769 = 2237532^2 + 3182887^2 .

It is not a de Polignac number, because 15137319105793 - 233 = 15128729171201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15137319105763) 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, 7841673 + ... + 9579481.

It is an arithmetic number, because the mean of its divisors is an integer number (975742952085).

Almost surely, 215137319105793 is an apocalyptic number.

It is an amenable number.

15137319105793 is a deficient number, since it is larger than the sum of its proper divisors (474568127567).

15137319105793 is a wasteful number, since it uses less digits than its factorization.

15137319105793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738836.

The product of its (nonzero) digits is 2679075, while the sum is 55.

The spelling of 15137319105793 in words is "fifteen trillion, one hundred thirty-seven billion, three hundred nineteen million, one hundred five thousand, seven hundred ninety-three".

Divisors: 1 37 397 593 14689 21941 235421 1737809 8710577 64298933 689910173 1030520737 25526676401 38129267269 409116732589 15137319105793