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204968163101 = 1352130262537
BaseRepresentation
bin1011111011100100001…
…1011111011100011101
3201121001120202112001012
42332321003133130131
511324233322204401
6234054443025005
720544205432352
oct2767103373435
9647046675035
10204968163101
1179a21203719
123388350b165
13164366b1960
149cc5c56629
1554e96dc8bb
hex2fb90df71d

204968163101 has 8 divisors (see below), whose sum is σ = 221158627704. Its totient is φ = 188838224640.

The previous prime is 204968163089. The next prime is 204968163119. The reversal of 204968163101 is 101361869402.

It can be written as a sum of positive squares in 4 ways, for example, as 10552425625 + 194415737476 = 102725^2 + 440926^2 .

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

It is not a de Polignac number, because 204968163101 - 218 = 204967900957 is a prime.

It is a super-3 number, since 3×2049681631013 (a number of 35 digits) contains 333 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 (204968163151) 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, 15124496 + ... + 15138041.

It is an arithmetic number, because the mean of its divisors is an integer number (27644828463).

Almost surely, 2204968163101 is an apocalyptic number.

It is an amenable number.

204968163101 is a deficient number, since it is larger than the sum of its proper divisors (16190464603).

204968163101 is a wasteful number, since it uses less digits than its factorization.

204968163101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30263071.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 204968163101 in words is "two hundred four billion, nine hundred sixty-eight million, one hundred sixty-three thousand, one hundred one".

Divisors: 1 13 521 6773 30262537 393412981 15766781777 204968163101