Base | Representation |
---|---|
bin | 1001000101010101100… |
… | …10100100110110110111 |
3 | 1002211120222220122221212 |
4 | 10202222302210312313 |
5 | 20103141333431244 |
6 | 355213403032035 |
7 | 31356126661562 |
oct | 4425262446667 |
9 | 1084528818855 |
10 | 312103030199 |
11 | 1103a9029aa4 |
12 | 505a280b61b |
13 | 2357b42823c |
14 | 1116a6dd4d9 |
15 | 81b9ed1d9e |
hex | 48aaca4db7 |
312103030199 has 4 divisors (see below), whose sum is σ = 314348375880. Its totient is φ = 309857684520.
The previous prime is 312103030193. The next prime is 312103030201. The reversal of 312103030199 is 991030301213.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-312103030199 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312103030193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122672632 + ... + 1122672909.
It is an arithmetic number, because the mean of its divisors is an integer number (78587093970).
Almost surely, 2312103030199 is an apocalyptic number.
312103030199 is a deficient number, since it is larger than the sum of its proper divisors (2245345681).
312103030199 is a wasteful number, since it uses less digits than its factorization.
312103030199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2245345680.
The product of its (nonzero) digits is 4374, while the sum is 32.
The spelling of 312103030199 in words is "three hundred twelve billion, one hundred three million, thirty thousand, one hundred ninety-nine".
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