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10304660161 = 29661537569
BaseRepresentation
bin10011001100011010…
…01010001011000001
3222121011000222022001
421212031022023001
5132100443111121
64422304344001
7513234110665
oct114615121301
928534028261
1010304660161
114408791774
121bb7015001
13c82b5a463
146da7ca8a5
154049dc991
hex26634a2c1

10304660161 has 8 divisors (see below), whose sum is σ = 10676140200. Its totient is φ = 9934256640.

The previous prime is 10304660153. The next prime is 10304660213. The reversal of 10304660161 is 16106640301.

It can be written as a sum of positive squares in 4 ways, for example, as 4416399936 + 5888260225 = 66456^2 + 76735^2 .

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 10304660161 - 23 = 10304660153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10304660101) 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, 249616 + ... + 287953.

It is an arithmetic number, because the mean of its divisors is an integer number (1334517525).

Almost surely, 210304660161 is an apocalyptic number.

It is an amenable number.

10304660161 is a deficient number, since it is larger than the sum of its proper divisors (371480039).

10304660161 is an equidigital number, since it uses as much as digits as its factorization.

10304660161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538259.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 10304660161 in words is "ten billion, three hundred four million, six hundred sixty thousand, one hundred sixty-one".

Divisors: 1 29 661 19169 537569 15589501 355333109 10304660161