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7930131004 = 2219503207443
BaseRepresentation
bin1110110001010110…
…00011001000111100
3202110122221101122201
413120223003020330
5112220103143004
63350522121244
7400342000315
oct73053031074
922418841581
107930131004
1133aa396884
121653950224
13994c1c113
145532bb60c
153162e86a4
hex1d8ac323c

7930131004 has 24 divisors (see below), whose sum is σ = 14637248640. Its totient is φ = 3748891824.

The previous prime is 7930130933. The next prime is 7930131007. The reversal of 7930131004 is 4001310397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7930131007) 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, 65494 + ... + 141949.

It is an arithmetic number, because the mean of its divisors is an integer number (609885360).

Almost surely, 27930131004 is an apocalyptic number.

It is an amenable number.

7930131004 is a deficient number, since it is larger than the sum of its proper divisors (6707117636).

7930131004 is a wasteful number, since it uses less digits than its factorization.

7930131004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207969 (or 207967 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 7930131004 is about 89051.2830003027. The cubic root of 7930131004 is about 1994.1605506758.

The spelling of 7930131004 in words is "seven billion, nine hundred thirty million, one hundred thirty-one thousand, four".

Divisors: 1 2 4 19 38 76 503 1006 2012 9557 19114 38228 207443 414886 829772 3941417 7882834 15765668 104343829 208687658 417375316 1982532751 3965065502 7930131004