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13190638122 = 2324211740649
BaseRepresentation
bin11000100100011100…
…10010101000101010
31021001021111211210200
430102032102220222
5204003300404442
610020521053030
7644606400624
oct142216225052
937037454720
1013190638122
115659853722
122681627176
131322a2ba1c
148d1bd1c14
1552305c34c
hex312392a2a

13190638122 has 24 divisors (see below), whose sum is σ = 28647617700. Its totient is φ = 4386432960.

The previous prime is 13190638073. The next prime is 13190638151. The reversal of 13190638122 is 22183609131.

13190638122 is a `hidden beast` number, since 1 + 3 + 1 + 9 + 0 + 638 + 12 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13052834001 + 137804121 = 114249^2 + 11739^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 862747 + ... + 877902.

Almost surely, 213190638122 is an apocalyptic number.

13190638122 is an abundant number, since it is smaller than the sum of its proper divisors (15456979578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13190638122 is a wasteful number, since it uses less digits than its factorization.

13190638122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741078 (or 1741075 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 13190638122 in words is "thirteen billion, one hundred ninety million, six hundred thirty-eight thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 421 842 1263 2526 3789 7578 1740649 3481298 5221947 10443894 15665841 31331682 732813229 1465626458 2198439687 4396879374 6595319061 13190638122