Search a number
-
+
312135601164260 = 22515799406242409
BaseRepresentation
bin100011011111000101011101…
…1101000010000111111100100
31111221011212112201112120011112
41012332022323220100333210
5311403012202344224020
63023505040545524152
7122514024114412646
oct10676127350207744
91457155481476145
10312135601164260
1190501a68554025
122b011b79343658
13105223512405b3
14571162d74c896
15261456b1e72c5
hex11be2bba10fe4

312135601164260 has 24 divisors (see below), whose sum is σ = 659659824632760. Its totient is φ = 124058990525184.

The previous prime is 312135601164251. The next prime is 312135601164307. The reversal of 312135601164260 is 62461106531213.

It can be written as a sum of positive squares in 4 ways, for example, as 1689807605476 + 310445793558784 = 1299926^2 + 17619472^2 .

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, 49703118065 + ... + 49703124344.

It is an arithmetic number, because the mean of its divisors is an integer number (27485826026365).

Almost surely, 2312135601164260 is an apocalyptic number.

It is an amenable number.

312135601164260 is an abundant number, since it is smaller than the sum of its proper divisors (347524223468500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312135601164260 is a wasteful number, since it uses less digits than its factorization.

312135601164260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99406242575 (or 99406242573 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

Adding to 312135601164260 its reverse (62461106531213), we get a palindrome (374596707695473).

The spelling of 312135601164260 in words is "three hundred twelve trillion, one hundred thirty-five billion, six hundred one million, one hundred sixty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 99406242409 198812484818 397624969636 497031212045 994062424090 1988124848180 15606780058213 31213560116426 62427120232852 78033900291065 156067800582130 312135601164260