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3125655113 = 7446522159
BaseRepresentation
bin1011101001001101…
…1011011001001001
322001211110201202012
42322103123121021
522400131430423
61234053345305
7140312426060
oct27223333111
98054421665
103125655113
111364394a49
12732938235
133aa73b489
142191951d7
15134615078
hexba4db649

3125655113 has 4 divisors (see below), whose sum is σ = 3572177280. Its totient is φ = 2679132948.

The previous prime is 3125655103. The next prime is 3125655133. The reversal of 3125655113 is 3115565213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3115565213 = 9732119229.

It is a cyclic number.

It is not a de Polignac number, because 3125655113 - 212 = 3125651017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3125655113.

It is not an unprimeable number, because it can be changed into a prime (3125655103) 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, 223261073 + ... + 223261086.

It is an arithmetic number, because the mean of its divisors is an integer number (893044320).

Almost surely, 23125655113 is an apocalyptic number.

It is an amenable number.

3125655113 is a deficient number, since it is larger than the sum of its proper divisors (446522167).

3125655113 is an equidigital number, since it uses as much as digits as its factorization.

3125655113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446522166.

The product of its digits is 13500, while the sum is 32.

The square root of 3125655113 is about 55907.5586392395. The cubic root of 3125655113 is about 1462.1110252766. Note that the first 3 decimals are identical.

The spelling of 3125655113 in words is "three billion, one hundred twenty-five million, six hundred fifty-five thousand, one hundred thirteen".

Divisors: 1 7 446522159 3125655113