Base | Representation |
---|---|
bin | 1001000110000101100… |
… | …01000111100001111000 |
3 | 1002212122000212010220120 |
4 | 10203002301013201320 |
5 | 20110002324113422 |
6 | 355321333053240 |
7 | 31402113142224 |
oct | 4430261074170 |
9 | 1085560763816 |
10 | 312505301112 |
11 | 1105951060a4 |
12 | 50695487220 |
13 | 23613883374 |
14 | 111a7cd5784 |
15 | 81e049345c |
hex | 48c2c47878 |
312505301112 has 32 divisors (see below), whose sum is σ = 782567568000. Its totient is φ = 103994525024.
The previous prime is 312505301093. The next prime is 312505301123. The reversal of 312505301112 is 211103505213.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10854618 + ... + 10883369.
It is an arithmetic number, because the mean of its divisors is an integer number (24455236500).
Almost surely, 2312505301112 is an apocalyptic number.
It is an amenable number.
312505301112 is an abundant number, since it is smaller than the sum of its proper divisors (470062266888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312505301112 is a wasteful number, since it uses less digits than its factorization.
312505301112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21738595 (or 21738591 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 24.
Adding to 312505301112 its reverse (211103505213), we get a palindrome (523608806325).
The spelling of 312505301112 in words is "three hundred twelve billion, five hundred five million, three hundred one thousand, one hundred twelve".
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