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378125631317 = 7291862687839
BaseRepresentation
bin1011000000010100000…
…10110011111101010101
31100011000020002022021202
411200022002303331111
522143400130200232
6445413012322245
736214206556250
oct5401202637525
91304006068252
10378125631317
111363a9074455
1261349613385
1329870835515
1414430da6097
159c81334162
hex580a0b3f55

378125631317 has 8 divisors (see below), whose sum is σ = 447045081600. Its totient is φ = 312931556784.

The previous prime is 378125631283. The next prime is 378125631379. The reversal of 378125631317 is 713136521873.

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

It is not a de Polignac number, because 378125631317 - 212 = 378125627221 is a prime.

It is a super-2 number, since 2×3781256313172 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378125631517) 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, 931343717 + ... + 931344122.

It is an arithmetic number, because the mean of its divisors is an integer number (55880635200).

Almost surely, 2378125631317 is an apocalyptic number.

It is an amenable number.

378125631317 is a deficient number, since it is larger than the sum of its proper divisors (68919450283).

378125631317 is a wasteful number, since it uses less digits than its factorization.

378125631317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862687875.

The product of its digits is 635040, while the sum is 47.

The spelling of 378125631317 in words is "three hundred seventy-eight billion, one hundred twenty-five million, six hundred thirty-one thousand, three hundred seventeen".

Divisors: 1 7 29 203 1862687839 13038814873 54017947331 378125631317