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312143001113420 = 22515607150055671
BaseRepresentation
bin100011011111001000111010…
…0101100110101001101001100
31111221012120122102211221001122
41012332101310230311031030
5311403122331241112140
63023512303132300112
7122514405361062521
oct10676216454651514
91457176572757048
10312143001113420
1190505115639394
122b0134a3611638
1310522c6036a939
145711b32459148
152614850bb4ab5
hex11be474b3534c

312143001113420 has 12 divisors (see below), whose sum is σ = 655500302338224. Its totient is φ = 124857200445360.

The previous prime is 312143001113413. The next prime is 312143001113459. The reversal of 312143001113420 is 24311100341213.

It is a self number, because there is not a number n which added to its sum of digits gives 312143001113420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7803575027816 + ... + 7803575027855.

It is an arithmetic number, because the mean of its divisors is an integer number (54625025194852).

Almost surely, 2312143001113420 is an apocalyptic number.

It is an amenable number.

312143001113420 is an abundant number, since it is smaller than the sum of its proper divisors (343357301224804).

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

312143001113420 is a wasteful number, since it uses less digits than its factorization.

312143001113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15607150055680 (or 15607150055678 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 312143001113420 its reverse (24311100341213), we get a palindrome (336454101454633).

The spelling of 312143001113420 in words is "three hundred twelve trillion, one hundred forty-three billion, one million, one hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 15607150055671 31214300111342 62428600222684 78035750278355 156071500556710 312143001113420