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13789768790 = 2571711588041
BaseRepresentation
bin11001101011110111…
…10010110001010110
31022121000212211120102
430311323302301112
5211220140100130
610200202334102
7665503046360
oct146573626126
938530784512
1013789768790
115936a68436
12280a1ba332
1313b9bb1a05
1494b5cdd30
1555a957645
hex335ef2c56

13789768790 has 32 divisors (see below), whose sum is σ = 30036204864. Its totient is φ = 4449807360.

The previous prime is 13789768787. The next prime is 13789768829. The reversal of 13789768790 is 9786798731.

It is a super-3 number, since 3×137897687903 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5792831 + ... + 5795210.

It is an arithmetic number, because the mean of its divisors is an integer number (938631402).

Almost surely, 213789768790 is an apocalyptic number.

13789768790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13789768790 is an abundant number, since it is smaller than the sum of its proper divisors (16246436074).

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

13789768790 is a wasteful number, since it uses less digits than its factorization.

13789768790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588072.

The product of its (nonzero) digits is 32006016, while the sum is 65.

The spelling of 13789768790 in words is "thirteen billion, seven hundred eighty-nine million, seven hundred sixty-eight thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 11588041 23176082 57940205 81116287 115880410 162232574 196996697 393993394 405581435 811162870 984983485 1378976879 1969966970 2757953758 6894884395 13789768790