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13912902651640 = 235347822566291
BaseRepresentation
bin1100101001110101100110…
…0111101100111011111000
31211021001122002220020010111
43022131121213230323320
53310422111034323030
645331255500354104
72634113461200166
oct312353147547370
954231562806114
1013912902651640
114484479924753
1216884b6b45934
1379bc9a5c0625
14361560c76236
15191d8e7d662a
hexca7599ecef8

13912902651640 has 16 divisors (see below), whose sum is σ = 31304030966280. Its totient is φ = 5565161060640.

The previous prime is 13912902651611. The next prime is 13912902651731. The reversal of 13912902651640 is 4615620921931.

It is a super-2 number, since 2×139129026516402 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 173911283106 + ... + 173911283185.

Almost surely, 213912902651640 is an apocalyptic number.

13912902651640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13912902651640 is an abundant number, since it is smaller than the sum of its proper divisors (17391128314640).

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

13912902651640 is a wasteful number, since it uses less digits than its factorization.

13912902651640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347822566302 (or 347822566298 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 13912902651640 in words is "thirteen trillion, nine hundred twelve billion, nine hundred two million, six hundred fifty-one thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 347822566291 695645132582 1391290265164 1739112831455 2782580530328 3478225662910 6956451325820 13912902651640