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8379909931 = 40141775003
BaseRepresentation
bin1111100110111101…
…10100011100101011
3210122000021112100111
413303132310130223
5114130224104211
63503310315151
7414443026201
oct76336643453
923560245314
108379909931
1136102713a8
12175a4b8ab7
13a3716c2b3
14596d1d071
15340a41421
hex1f37b472b

8379909931 has 8 divisors (see below), whose sum is σ = 8404498224. Its totient is φ = 8355340800.

The previous prime is 8379909913. The next prime is 8379909973. The reversal of 8379909931 is 1399099738.

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 8379909931 - 225 = 8346355499 is a prime.

It is a super-2 number, since 2×83799099312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8379909431) 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, 1672476 + ... + 1677478.

It is an arithmetic number, because the mean of its divisors is an integer number (1050562278).

Almost surely, 28379909931 is an apocalyptic number.

8379909931 is a deficient number, since it is larger than the sum of its proper divisors (24588293).

8379909931 is a wasteful number, since it uses less digits than its factorization.

8379909931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9581.

The product of its (nonzero) digits is 3306744, while the sum is 58.

The square root of 8379909931 is about 91541.8479767587. The cubic root of 8379909931 is about 2031.1708268426.

The spelling of 8379909931 in words is "eight billion, three hundred seventy-nine million, nine hundred nine thousand, nine hundred thirty-one".

Divisors: 1 401 4177 5003 1674977 2006203 20897531 8379909931