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BaseRepresentation
bin11000011101101111…
…01011100110011010
31020220100122121100222
430032313223212122
5203344400120133
610011151200042
7643324245236
oct141667534632
936810577328
1013134379418
115630018726
122666816022
131314191954
148c85495c6
1551d147e98
hex30edeb99a

13134379418 has 8 divisors (see below), whose sum is σ = 20860485012. Its totient is φ = 6180884416.

The previous prime is 13134379417. The next prime is 13134379463. The reversal of 13134379418 is 81497343131.

It can be written as a sum of positive squares in 2 ways, for example, as 12583679329 + 550700089 = 112177^2 + 23467^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13134379411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193152605 + ... + 193152672.

Almost surely, 213134379418 is an apocalyptic number.

13134379418 is a deficient number, since it is larger than the sum of its proper divisors (7726105594).

13134379418 is a wasteful number, since it uses less digits than its factorization.

13134379418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386305296.

The product of its digits is 217728, while the sum is 44.

The spelling of 13134379418 in words is "thirteen billion, one hundred thirty-four million, three hundred seventy-nine thousand, four hundred eighteen".