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7997023942 = 223929167099
BaseRepresentation
bin1110111001010100…
…01110011011000110
3202122022210220111221
413130222032123012
5112334214231232
63401311550554
7402113403415
oct73452163306
922568726457
107997023942
1134341254a6
12167222b45a
139a5a4063b
1455c13147c
1531c10d897
hex1dca8e6c6

7997023942 has 8 divisors (see below), whose sum is σ = 11996109000. Its totient is φ = 3998320944.

The previous prime is 7997023913. The next prime is 7997023973. The reversal of 7997023942 is 2493207997.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7997023942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35692 + ... + 131407.

It is an arithmetic number, because the mean of its divisors is an integer number (1499513625).

Almost surely, 27997023942 is an apocalyptic number.

7997023942 is a deficient number, since it is larger than the sum of its proper divisors (3999085058).

7997023942 is a wasteful number, since it uses less digits than its factorization.

7997023942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191030.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 7997023942 is about 89426.0808824808. The cubic root of 7997023942 is about 1999.7519644071.

The spelling of 7997023942 in words is "seven billion, nine hundred ninety-seven million, twenty-three thousand, nine hundred forty-two".

Divisors: 1 2 23929 47858 167099 334198 3998511971 7997023942