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3102211012 = 2213740913841
BaseRepresentation
bin1011100011100111…
…1111101111000100
322000012100122111011
42320321333233010
522323131223022
61231455052004
7136606233655
oct27071775704
98005318434
103102211012
11135213205a
12726b11004
133a5920524
1421601152c
15132533977
hexb8e7fbc4

3102211012 has 24 divisors (see below), whose sum is σ = 5482262520. Its totient is φ = 1535907840.

The previous prime is 3102211001. The next prime is 3102211033. The reversal of 3102211012 is 2101122013.

It can be written as a sum of positive squares in 4 ways, for example, as 950735556 + 2151475456 = 30834^2 + 46384^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3102210983 and 3102211001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217212 + ... + 231052.

It is an arithmetic number, because the mean of its divisors is an integer number (228427605).

Almost surely, 23102211012 is an apocalyptic number.

It is an amenable number.

3102211012 is a deficient number, since it is larger than the sum of its proper divisors (2380051508).

3102211012 is a wasteful number, since it uses less digits than its factorization.

3102211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14391 (or 14389 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3102211012 is about 55697.4955630861. The cubic root of 3102211012 is about 1458.4463067796.

Adding to 3102211012 its reverse (2101122013), we get a palindrome (5203333025).

The spelling of 3102211012 in words is "three billion, one hundred two million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 137 274 409 548 818 1636 13841 27682 55364 56033 112066 224132 1896217 3792434 5660969 7584868 11321938 22643876 775552753 1551105506 3102211012