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137812858378365 = 3523399457560517
BaseRepresentation
bin11111010101011100001110…
…011110000001100001111101
3200001221210002001102022020110
4133111130032132001201331
5121030411213221101430
61205034204135340233
741012436050165412
oct3725341636014175
9601853061368213
10137812858378365
113aa03117865245
121355907b521679
135bb8909aa4691
14260626c37c109
1510dec66d647b0
hex7d570e78187d

137812858378365 has 16 divisors (see below), whose sum is σ = 230087554858368. Its totient is φ = 70304530650816.

The previous prime is 137812858378339. The next prime is 137812858378373. The reversal of 137812858378365 is 563873858218731.

It is not a de Polignac number, because 137812858378365 - 26 = 137812858378301 is a prime.

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, 199728779914 + ... + 199728780603.

It is an arithmetic number, because the mean of its divisors is an integer number (14380472178648).

Almost surely, 2137812858378365 is an apocalyptic number.

137812858378365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137812858378365 is a deficient number, since it is larger than the sum of its proper divisors (92274696480003).

137812858378365 is a wasteful number, since it uses less digits than its factorization.

137812858378365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399457560548.

The product of its digits is 1625702400, while the sum is 75.

The spelling of 137812858378365 in words is "one hundred thirty-seven trillion, eight hundred twelve billion, eight hundred fifty-eight million, three hundred seventy-eight thousand, three hundred sixty-five".

Divisors: 1 3 5 15 23 69 115 345 399457560517 1198372681551 1997287802585 5991863407755 9187523891891 27562571675673 45937619459455 137812858378365