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3102131139 = 31034043713
BaseRepresentation
bin1011100011100110…
…1100001111000011
322000012012120220220
42320321230033003
522323121144024
61231453234123
7136605452052
oct27071541703
98005176826
103102131139
111352088048
12726a92943
133a58c3073
14215dd0399
15132519e79
hexb8e6c3c3

3102131139 has 4 divisors (see below), whose sum is σ = 4136174856. Its totient is φ = 2068087424.

The previous prime is 3102131119. The next prime is 3102131143. The reversal of 3102131139 is 9311312013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3102131139 - 25 = 3102131107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3102131119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517021854 + ... + 517021859.

It is an arithmetic number, because the mean of its divisors is an integer number (1034043714).

Almost surely, 23102131139 is an apocalyptic number.

3102131139 is a deficient number, since it is larger than the sum of its proper divisors (1034043717).

3102131139 is a wasteful number, since it uses less digits than its factorization.

3102131139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034043716.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 3102131139 is about 55696.7785334125. The cubic root of 3102131139 is about 1458.4337897414.

The spelling of 3102131139 in words is "three billion, one hundred two million, one hundred thirty-one thousand, one hundred thirty-nine".

Divisors: 1 3 1034043713 3102131139