Base | Representation |
---|---|
bin | 1001000101001010110… |
… | …00111100001110100101 |
3 | 1002211100200102101202110 |
4 | 10202211120330032211 |
5 | 20103000140032401 |
6 | 355200405031233 |
7 | 31353646563060 |
oct | 4424530741645 |
9 | 1084320371673 |
10 | 312012424101 |
11 | 110361974324 |
12 | 505783b5519 |
13 | 23565723471 |
14 | 1115c6758d7 |
15 | 81b20859d6 |
hex | 48a563c3a5 |
312012424101 has 32 divisors (see below), whose sum is σ = 478215936000. Its totient is φ = 177257386944.
The previous prime is 312012424081. The next prime is 312012424109. The reversal of 312012424101 is 101424210213.
It is not a de Polignac number, because 312012424101 - 25 = 312012424069 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312012424109) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2699371 + ... + 2812583.
It is an arithmetic number, because the mean of its divisors is an integer number (14944248000).
Almost surely, 2312012424101 is an apocalyptic number.
It is an amenable number.
312012424101 is a deficient number, since it is larger than the sum of its proper divisors (166203511899).
312012424101 is a wasteful number, since it uses less digits than its factorization.
312012424101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113985.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 312012424101 its reverse (101424210213), we get a palindrome (413436634314).
The spelling of 312012424101 in words is "three hundred twelve billion, twelve million, four hundred twenty-four thousand, one hundred one".
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