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13005515045794 = 220957893102773
BaseRepresentation
bin1011110101000001010100…
…0110101011101110100010
31201001022111201000212211211
42331100111012223232202
53201040243322431134
643354352351100334
72511421533616165
oct275202506535642
951038451025754
1013005515045794
114164676210287
1215606808116aa
1373455143951b
1432d682677adc
15178483929764
hexbd4151abba2

13005515045794 has 8 divisors (see below), whose sum is σ = 19508288164380. Its totient is φ = 6502752324336.

The previous prime is 13005515045773. The next prime is 13005515045863. The reversal of 13005515045794 is 49754051550031.

13005515045794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9799936335225 + 3205578710569 = 3130485^2 + 1790413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×130055150457943 (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640192 + ... + 5742964.

Almost surely, 213005515045794 is an apocalyptic number.

13005515045794 is a deficient number, since it is larger than the sum of its proper divisors (6502773118586).

13005515045794 is a wasteful number, since it uses less digits than its factorization.

13005515045794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198564.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 13005515045794 in words is "thirteen trillion, five billion, five hundred fifteen million, forty-five thousand, seven hundred ninety-four".

Divisors: 1 2 2095789 3102773 4191578 6205546 6502757522897 13005515045794