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313000202120 = 235231312597081
BaseRepresentation
bin1001000111000000100…
…01000000111110001000
31002220220112002201110112
410203200101000332020
520112011022431440
6355442412333452
731420302551264
oct4434021007610
91086815081415
10313000202120
111108194aa5a1
12507b3174288
13236922715b8
14112139210a4
15821db50965
hex48e0440f88

313000202120 has 64 divisors (see below), whose sum is σ = 740480019840. Its totient is φ = 118842380800.

The previous prime is 313000202117. The next prime is 313000202129. The reversal of 313000202120 is 21202000313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 313000202095 and 313000202104.

It is not an unprimeable number, because it can be changed into a prime (313000202129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178021 + ... + 1419060.

It is an arithmetic number, because the mean of its divisors is an integer number (11570000310).

Almost surely, 2313000202120 is an apocalyptic number.

It is an amenable number.

313000202120 is an abundant number, since it is smaller than the sum of its proper divisors (427479817720).

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

313000202120 is a wasteful number, since it uses less digits than its factorization.

313000202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597246 (or 2597242 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 313000202120 its reverse (21202000313), we get a palindrome (334202202433).

The spelling of 313000202120 in words is "three hundred thirteen billion, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 131 184 230 262 460 524 655 920 1048 1310 2620 3013 5240 6026 12052 15065 24104 30130 60260 120520 2597081 5194162 10388324 12985405 20776648 25970810 51941620 59732863 103883240 119465726 238931452 298664315 340217611 477862904 597328630 680435222 1194657260 1360870444 1701088055 2389314520 2721740888 3402176110 6804352220 7825005053 13608704440 15650010106 31300020212 39125025265 62600040424 78250050530 156500101060 313000202120