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13332181028 = 228573889201
BaseRepresentation
bin11000110101010100…
…01111000000100100
31021102010211222011112
430122222033000210
5204301014243103
610042534524152
7651245445305
oct143252170044
937363758145
1013332181028
115721739a31
122700b06658
13134615941a
149069187ac
155306bacd8
hex31aa8f024

13332181028 has 12 divisors (see below), whose sum is σ = 23358547212. Its totient is φ = 6658310400.

The previous prime is 13332181007. The next prime is 13332181139. The reversal of 13332181028 is 82018123331.

It can be written as a sum of positive squares in 2 ways, for example, as 9302216704 + 4029964324 = 96448^2 + 63482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13332180985 and 13332181003.

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, 1941173 + ... + 1948028.

It is an arithmetic number, because the mean of its divisors is an integer number (1946545601).

Almost surely, 213332181028 is an apocalyptic number.

It is an amenable number.

13332181028 is a deficient number, since it is larger than the sum of its proper divisors (10026366184).

13332181028 is a wasteful number, since it uses less digits than its factorization.

13332181028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890062 (or 3890060 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 13332181028 in words is "thirteen billion, three hundred thirty-two million, one hundred eighty-one thousand, twenty-eight".

Divisors: 1 2 4 857 1714 3428 3889201 7778402 15556804 3333045257 6666090514 13332181028