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37830031361 = 139320984811
BaseRepresentation
bin100011001110110110…
…000111100000000001
310121122102212201010122
4203032312013200001
51104433442000421
625213500510025
72506314650423
oct431666074001
9117572781118
1037830031361
1115053080531
1273b924b315
13374b637255
141b8c30a813
15eb624d2ab
hex8ced87801

37830031361 has 8 divisors (see below), whose sum is σ = 38114512800. Its totient is φ = 37545726240.

The previous prime is 37830031313. The next prime is 37830031367. The reversal of 37830031361 is 16313003873.

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 37830031361 - 214 = 37830014977 is a prime.

It is a super-2 number, since 2×378300313612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37830031367) 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, 403646 + ... + 488456.

It is an arithmetic number, because the mean of its divisors is an integer number (4764314100).

Almost surely, 237830031361 is an apocalyptic number.

It is an amenable number.

37830031361 is a deficient number, since it is larger than the sum of its proper divisors (284481439).

37830031361 is a wasteful number, since it uses less digits than its factorization.

37830031361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88159.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 37830031361 in words is "thirty-seven billion, eight hundred thirty million, thirty-one thousand, three hundred sixty-one".

Divisors: 1 139 3209 84811 446051 11788729 272158499 37830031361