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312020313120000 = 2832541097512647
BaseRepresentation
bin100011011110001111110001…
…1111011010001110100000000
31111220202211222002202002210100
41012330133203323101310000
5311344120100124320000
63023340053015002400
7122502503142251562
oct10674374373216400
91456684862662710
10312020313120000
1190468087449001
122abb3763669400
131051450a311b24
145709c14127332
15261156ec4ba00
hex11bc7e3ed1d00

312020313120000 has 1080 divisors, whose sum is σ = 1136432886068480. Its totient is φ = 82301184000000.

The previous prime is 312020313119989. The next prime is 312020313120007. The reversal of 312020313120000 is 21313020213.

312020313120000 is a `hidden beast` number, since 31 + 202 + 0 + 313 + 120 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312020313120007) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 117876958677 + ... + 117876961323.

Almost surely, 2312020313120000 is an apocalyptic number.

312020313120000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312020313120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568216443034240).

312020313120000 is an abundant number, since it is smaller than the sum of its proper divisors (824412572948480).

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

312020313120000 is a wasteful number, since it uses less digits than its factorization.

312020313120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3517 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 312020313120000 its reverse (21313020213), we get a palindrome (312041626140213).

The spelling of 312020313120000 in words is "three hundred twelve trillion, twenty billion, three hundred thirteen million, one hundred twenty thousand".