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7942404998 = 2111721236377
BaseRepresentation
bin1110110010110011…
…10111101110000110
3202111112000222102002
413121121313232012
5112231223424443
63352041145302
7400551220463
oct73131675606
922445028362
107942404998
11340630a480
121657a8b232
13997628a38
14554b9466a
153174202b8
hex1d9677b86

7942404998 has 16 divisors (see below), whose sum is σ = 13761172944. Its totient is φ = 3397820160.

The previous prime is 7942404997. The next prime is 7942405001. The reversal of 7942404998 is 8994042497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7942404997) 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, 10617815 + ... + 10618562.

It is an arithmetic number, because the mean of its divisors is an integer number (860073309).

Almost surely, 27942404998 is an apocalyptic number.

7942404998 is a deficient number, since it is larger than the sum of its proper divisors (5818767946).

7942404998 is a wasteful number, since it uses less digits than its factorization.

7942404998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21236407.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 7942404998 is about 89120.1716672494. The cubic root of 7942404998 is about 1995.1888522088.

The spelling of 7942404998 in words is "seven billion, nine hundred forty-two million, four hundred four thousand, nine hundred ninety-eight".

Divisors: 1 2 11 17 22 34 187 374 21236377 42472754 233600147 361018409 467200294 722036818 3971202499 7942404998