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10204661105 = 52040932221
BaseRepresentation
bin10011000000011111…
…01100010101110001
3222100011212111101022
421200033230111301
5131344343123410
64404333145225
7510611121362
oct114017542561
928304774338
1010204661105
1143672a0a21
121b8962b215
13c68217212
146cb3d9b69
153ead38455
hex2603ec571

10204661105 has 4 divisors (see below), whose sum is σ = 12245593332. Its totient is φ = 8163728880.

The previous prime is 10204661101. The next prime is 10204661107. The reversal of 10204661105 is 50116640201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50116640201 = 343314598497.

It can be written as a sum of positive squares in 2 ways, for example, as 1276489984 + 8928171121 = 35728^2 + 94489^2 .

It is not a de Polignac number, because 10204661105 - 22 = 10204661101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10204661101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020466106 + ... + 1020466115.

It is an arithmetic number, because the mean of its divisors is an integer number (3061398333).

Almost surely, 210204661105 is an apocalyptic number.

It is an amenable number.

10204661105 is a deficient number, since it is larger than the sum of its proper divisors (2040932227).

10204661105 is an equidigital number, since it uses as much as digits as its factorization.

10204661105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040932226.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 10204661105 in words is "ten billion, two hundred four million, six hundred sixty-one thousand, one hundred five".

Divisors: 1 5 2040932221 10204661105