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204750616631 = 1131600441691
BaseRepresentation
bin1011111010110000010…
…1100111100000110111
3201120111102102000101112
42332230011213200313
511323312124213011
6234021112145235
720535624345161
oct2765405474067
9646442360345
10204750616631
117991a426850
123382269821b
13164005c2c32
149ca4dc7931
1554d556958b
hex2fac167837

204750616631 has 8 divisors (see below), whose sum is σ = 230569609728. Its totient is φ = 180132507000.

The previous prime is 204750616627. The next prime is 204750616633. The reversal of 204750616631 is 136616057402.

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 204750616631 - 22 = 204750616627 is a prime.

It is a super-2 number, since 2×2047506166312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204750616633) 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, 300220505 + ... + 300221186.

It is an arithmetic number, because the mean of its divisors is an integer number (28821201216).

Almost surely, 2204750616631 is an apocalyptic number.

204750616631 is a deficient number, since it is larger than the sum of its proper divisors (25818993097).

204750616631 is a wasteful number, since it uses less digits than its factorization.

204750616631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600441733.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 204750616631 in words is "two hundred four billion, seven hundred fifty million, six hundred sixteen thousand, six hundred thirty-one".

Divisors: 1 11 31 341 600441691 6604858601 18613692421 204750616631