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312312120032 = 25114332049077
BaseRepresentation
bin1001000101101110100…
…00001100001011100000
31002212010120100112021202
410202313100030023200
520104103400320112
6355250232340332
731364246135123
oct4426720141340
91085116315252
10312312120032
111104a6060310
12506408446a8
13235b2845a33
141118a3aa3ba
1581cd5346c2
hex48b740c2e0

312312120032 has 48 divisors (see below), whose sum is σ = 672310688112. Its totient is φ = 141632133120.

The previous prime is 312312120031. The next prime is 312312120073. The reversal of 312312120032 is 230021213213.

It is a junction number, because it is equal to n+sod(n) for n = 312312119986 and 312312120013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312312120031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872123 + ... + 1176954.

It is an arithmetic number, because the mean of its divisors is an integer number (14006472669).

Almost surely, 2312312120032 is an apocalyptic number.

312312120032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312312120032 is an abundant number, since it is smaller than the sum of its proper divisors (359998568080).

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

312312120032 is a wasteful number, since it uses less digits than its factorization.

312312120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049531 (or 2049523 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312312120032 its reverse (230021213213), we get a palindrome (542333333245).

The spelling of 312312120032 in words is "three hundred twelve billion, three hundred twelve million, one hundred twenty thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 433 866 1732 3464 4763 6928 9526 13856 19052 38104 76208 152416 2049077 4098154 8196308 16392616 22539847 32785232 45079694 65570464 90159388 180318776 360637552 721275104 887250341 1774500682 3549001364 7098002728 9759753751 14196005456 19519507502 28392010912 39039015004 78078030008 156156060016 312312120032