Base | Representation |
---|---|
bin | 1001000001110100010… |
… | …00110000100110001010 |
3 | 1002122201021112012102200 |
4 | 10200322020300212022 |
5 | 20040304013120132 |
6 | 354302045341030 |
7 | 31261240110102 |
oct | 4407210604612 |
9 | 1078637465380 |
10 | 310213020042 |
11 | 10a619187432 |
12 | 50155867776 |
13 | 233399b1733 |
14 | 1102b6b6202 |
15 | 81090e8d7c |
hex | 483a23098a |
310213020042 has 12 divisors (see below), whose sum is σ = 672128210130. Its totient is φ = 103404340008.
The previous prime is 310213020041. The next prime is 310213020043. The reversal of 310213020042 is 240020312013.
It is an interprime number because it is at equal distance from previous prime (310213020041) and next prime (310213020043).
It can be written as a sum of positive squares in only one way, i.e., 250349121801 + 59863898241 = 500349^2 + 244671^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 17234056669 = 310213020042 / (3 + 1 + 0 + 2 + 1 + 3 + 0 + 2 + 0 + 0 + 4 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 310213019997 and 310213020024.
It is not an unprimeable number, because it can be changed into a prime (310213020041) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8617028317 + ... + 8617028352.
Almost surely, 2310213020042 is an apocalyptic number.
310213020042 is an abundant number, since it is smaller than the sum of its proper divisors (361915190088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310213020042 is a wasteful number, since it uses less digits than its factorization.
310213020042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17234056677 (or 17234056674 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 310213020042 its reverse (240020312013), we get a palindrome (550233332055).
The spelling of 310213020042 in words is "three hundred ten billion, two hundred thirteen million, twenty thousand, forty-two".
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