Base | Representation |
---|---|
bin | 1001000111001100011… |
… | …01110101100001111000 |
3 | 1002221011110221121110221 |
4 | 10203212031311201320 |
5 | 20112212102011440 |
6 | 355500340145424 |
7 | 31422624234661 |
oct | 4434615654170 |
9 | 1087143847427 |
10 | 313100032120 |
11 | 11086a895327 |
12 | 50820698274 |
13 | 236a9b558c5 |
14 | 11222caa368 |
15 | 82277bed4a |
hex | 48e6375878 |
313100032120 has 32 divisors (see below), whose sum is σ = 704581149600. Its totient is φ = 125221154688.
The previous prime is 313100032103. The next prime is 313100032123. The reversal of 313100032120 is 21230001313.
It is a super-2 number, since 2×3131000321202 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 313100032094 and 313100032103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313100032123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318819 + ... + 853138.
It is an arithmetic number, because the mean of its divisors is an integer number (22018160925).
Almost surely, 2313100032120 is an apocalyptic number.
It is an amenable number.
313100032120 is an abundant number, since it is smaller than the sum of its proper divisors (391481117480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313100032120 is a wasteful number, since it uses less digits than its factorization.
313100032120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1178647 (or 1178643 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 313100032120 its reverse (21230001313), we get a palindrome (334330033433).
The spelling of 313100032120 in words is "three hundred thirteen billion, one hundred million, thirty-two thousand, one hundred twenty".
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