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204550963131 = 3439115528047
BaseRepresentation
bin1011111010000000101…
…1111111111110111011
3201112222111201120021110
42332200023333332323
511322410021310011
6233545221011403
720530651333044
oct2764013777673
9645874646243
10204550963131
1179827760159
1233787853b63
131639b12a578
149c866958cb
1554c2c7cba6
hex2fa02fffbb

204550963131 has 8 divisors (see below), whose sum is σ = 272796747264. Its totient is φ = 136336243880.

The previous prime is 204550963129. The next prime is 204550963159. The reversal of 204550963131 is 131369055402.

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 204550963131 - 21 = 204550963129 is a prime.

It is a super-2 number, since 2×2045509631312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204550963131.

It is not an unprimeable number, because it can be changed into a prime (204550963031) 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, 7750851 + ... + 7777196.

It is an arithmetic number, because the mean of its divisors is an integer number (34099593408).

Almost surely, 2204550963131 is an apocalyptic number.

204550963131 is a deficient number, since it is larger than the sum of its proper divisors (68245784133).

204550963131 is a wasteful number, since it uses less digits than its factorization.

204550963131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15532441.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 204550963131 in words is "two hundred four billion, five hundred fifty million, nine hundred sixty-three thousand, one hundred thirty-one".

Divisors: 1 3 4391 13173 15528047 46584141 68183654377 204550963131