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11613395989 = 131571568643
BaseRepresentation
bin10101101000011011…
…00101110000010101
31002222100122122100101
422310031211300111
5142241012132424
65200215214101
7560535144226
oct126415456025
932870578311
1011613395989
114a1a506328
122301377331
131131033760
147c254324d
1547e856344
hex2b4365c15

11613395989 has 8 divisors (see below), whose sum is σ = 12514717152. Its totient is φ = 10713215280.

The previous prime is 11613395903. The next prime is 11613395993. The reversal of 11613395989 is 98959331611.

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

It is a cyclic number.

It is not a de Polignac number, because 11613395989 - 229 = 11076525077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11613395089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263899 + ... + 304744.

It is an arithmetic number, because the mean of its divisors is an integer number (1564339644).

Almost surely, 211613395989 is an apocalyptic number.

It is an amenable number.

11613395989 is a deficient number, since it is larger than the sum of its proper divisors (901321163).

11613395989 is a wasteful number, since it uses less digits than its factorization.

11613395989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570227.

The product of its digits is 1574640, while the sum is 55.

The spelling of 11613395989 in words is "eleven billion, six hundred thirteen million, three hundred ninety-five thousand, nine hundred eighty-nine".

Divisors: 1 13 1571 20423 568643 7392359 893338153 11613395989