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312000331022020 = 225613166715266131
BaseRepresentation
bin100011011110000110011110…
…0111001100111111011000100
31111220200221101111220100111101
41012330030330321213323010
5311343303134220201040
63023322550125145444
7122501165025235264
oct10674147471477304
91456627344810441
10312000331022020
119045a663037043
122abab9076bb284
1310512674564704
145708c7a3817a4
152610ca086a09a
hex11bc33ce67ec4

312000331022020 has 48 divisors (see below), whose sum is σ = 656663264042688. Its totient is φ = 124521792151680.

The previous prime is 312000331021943. The next prime is 312000331022027. The reversal of 312000331022020 is 20220133000213.

It is not an unprimeable number, because it can be changed into a prime (312000331022027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12804355 + ... + 28070485.

It is an arithmetic number, because the mean of its divisors is an integer number (13680484667556).

Almost surely, 2312000331022020 is an apocalyptic number.

It is an amenable number.

312000331022020 is an abundant number, since it is smaller than the sum of its proper divisors (344662933020668).

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

312000331022020 is a wasteful number, since it uses less digits than its factorization.

312000331022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15268420 (or 15268418 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 312000331022020 its reverse (20220133000213), we get a palindrome (332220464022233).

The spelling of 312000331022020 in words is "three hundred twelve trillion, three hundred thirty-one million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 613 1226 1667 2452 3065 3334 6130 6668 8335 12260 16670 33340 1021871 2043742 4087484 5109355 10218710 15266131 20437420 30532262 61064524 76330655 152661310 305322620 9358138303 18716276606 25448640377 37432553212 46790691515 50897280754 93581383030 101794561508 127243201885 187162766060 254486403770 508972807540 15600016551101 31200033102202 62400066204404 78000082755505 156000165511010 312000331022020