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313240043220 = 22351332376271
BaseRepresentation
bin1001000111011101000…
…11111011111011010100
31002221112020101220121020
410203232203323323110
520113003422340340
6355522301121140
731426244302416
oct4435643737324
91087466356536
10313240043220
11110931924785
125085b5591b0
13236ccb68000
14112377149b6
158234c299d0
hex48ee8fbed4

313240043220 has 96 divisors (see below), whose sum is σ = 950128596480. Its totient is φ = 77105208960.

The previous prime is 313240043209. The next prime is 313240043243. The reversal of 313240043220 is 22340042313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056316 + ... + 1319955.

It is an arithmetic number, because the mean of its divisors is an integer number (9897172880).

Almost surely, 2313240043220 is an apocalyptic number.

313240043220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313240043220 is an abundant number, since it is smaller than the sum of its proper divisors (636888553260).

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

313240043220 is a wasteful number, since it uses less digits than its factorization.

313240043220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376322 (or 2376294 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 313240043220 its reverse (22340042313), we get a palindrome (335580085533).

The spelling of 313240043220 in words is "three hundred thirteen billion, two hundred forty million, forty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 169 195 260 338 390 507 676 780 845 1014 1690 2028 2197 2535 3380 4394 5070 6591 8788 10140 10985 13182 21970 26364 32955 43940 65910 131820 2376271 4752542 7128813 9505084 11881355 14257626 23762710 28515252 30891523 35644065 47525420 61783046 71288130 92674569 123566092 142576260 154457615 185349138 308915230 370698276 401589799 463372845 617830460 803179598 926745690 1204769397 1606359196 1853491380 2007948995 2409538794 4015897990 4819077588 5220667387 6023846985 8031795980 10441334774 12047693970 15662002161 20882669548 24095387940 26103336935 31324004322 52206673870 62648008644 78310010805 104413347740 156620021610 313240043220