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37996985231 = 317316790537
BaseRepresentation
bin100011011000110010…
…111111101110001111
310122002002000211210022
4203120302333232033
51110304212011411
625242223132355
72513413021412
oct433062775617
9118062024708
1037996985231
1115129342437
1274451440bb
1337770c0c1a
141ba6569b79
15ec5c2aedb
hex8d8cbfb8f

37996985231 has 8 divisors (see below), whose sum is σ = 39759993984. Its totient is φ = 36267557760.

The previous prime is 37996985179. The next prime is 37996985267. The reversal of 37996985231 is 13258969973.

It is a happy number.

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 37996985231 - 218 = 37996723087 is a prime.

It is a super-2 number, since 2×379969852312 (a number of 22 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 (37996985281) 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, 8393006 + ... + 8397531.

It is an arithmetic number, because the mean of its divisors is an integer number (4969999248).

Almost surely, 237996985231 is an apocalyptic number.

37996985231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

37996985231 is a deficient number, since it is larger than the sum of its proper divisors (1763008753).

37996985231 is a wasteful number, since it uses less digits than its factorization.

37996985231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16790641.

The product of its digits is 22044960, while the sum is 62.

The spelling of 37996985231 in words is "thirty-seven billion, nine hundred ninety-six million, nine hundred eighty-five thousand, two hundred thirty-one".

Divisors: 1 31 73 2263 16790537 520506647 1225709201 37996985231