Search a number
-
+
3131130016628 = 22782782504157
BaseRepresentation
bin101101100100000101111…
…001000111001101110100
3102002022222211112022110122
4231210011321013031310
5402300023241013003
610354230554511112
7442134215002415
oct55440571071564
912068884468418
103131130016628
11aa79a52a2049
12426a01135498
13199358864b13
14ab7944b580c
15566ab8bc238
hex2d905e47374

3131130016628 has 6 divisors (see below), whose sum is σ = 5479477529106. Its totient is φ = 1565565008312.

The previous prime is 3131130016627. The next prime is 3131130016639. The reversal of 3131130016628 is 8266100311313.

3131130016628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2645346108304 + 485783908324 = 1626452^2 + 696982^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131130016627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391391252075 + ... + 391391252082.

It is an arithmetic number, because the mean of its divisors is an integer number (913246254851).

Almost surely, 23131130016628 is an apocalyptic number.

It is an amenable number.

3131130016628 is a deficient number, since it is larger than the sum of its proper divisors (2348347512478).

3131130016628 is a wasteful number, since it uses less digits than its factorization.

3131130016628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782782504161 (or 782782504159 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 3131130016628 in words is "three trillion, one hundred thirty-one billion, one hundred thirty million, sixteen thousand, six hundred twenty-eight".

Divisors: 1 2 4 782782504157 1565565008314 3131130016628