Search a number
-
+
312010031012 = 221740011146809
BaseRepresentation
bin1001000101001010011…
…11110011111110100100
31002211100111220211001112
410202211033303332210
520102444031443022
6355200241444152
731353620335121
oct4424517637644
91084314824045
10312010031012
1111036058a369
1250577640658
1323565096134
141115c211748
1581b1c618e2
hex48a53f3fa4

312010031012 has 24 divisors (see below), whose sum is σ = 578281236120. Its totient is φ = 146791424000.

The previous prime is 312010030993. The next prime is 312010031051. The reversal of 312010031012 is 210130010213.

It can be written as a sum of positive squares in 4 ways, for example, as 7476023296 + 304534007716 = 86464^2 + 551846^2 .

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, 301337 + ... + 845472.

It is an arithmetic number, because the mean of its divisors is an integer number (24095051505).

Almost surely, 2312010031012 is an apocalyptic number.

It is an amenable number.

312010031012 is a deficient number, since it is larger than the sum of its proper divisors (266271205108).

312010031012 is a wasteful number, since it uses less digits than its factorization.

312010031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150831 (or 1150829 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 312010031012 its reverse (210130010213), we get a palindrome (522140041225).

The spelling of 312010031012 in words is "three hundred twelve billion, ten million, thirty-one thousand, twelve".

Divisors: 1 2 4 17 34 68 4001 8002 16004 68017 136034 272068 1146809 2293618 4587236 19495753 38991506 77983012 4588382809 9176765618 18353531236 78002507753 156005015506 312010031012