Base | Representation |
---|---|
bin | 1100001110011011010… |
… | …1111000000001111110 |
3 | 202002010102222012000100 |
4 | 3003212311320001332 |
5 | 11420121004004042 |
6 | 240253111541530 |
7 | 21113525463366 |
oct | 3034665700176 |
9 | 662112865010 |
10 | 210031313022 |
11 | 8108a223143 |
12 | 3485708a8a6 |
13 | 16a6265115b |
14 | a2464759a6 |
15 | 56e3e6a24c |
hex | 30e6d7807e |
210031313022 has 12 divisors (see below), whose sum is σ = 455067844920. Its totient is φ = 70010437668.
The previous prime is 210031313021. The next prime is 210031313033. The reversal of 210031313022 is 220313130012.
It is a super-2 number, since 2×2100313130222 (a number of 23 digits) contains 22 as substring.
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: 11668406279 = 210031313022 / (2 + 1 + 0 + 0 + 3 + 1 + 3 + 1 + 3 + 0 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 210031312986 and 210031313004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210031313021) 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, 5834203122 + ... + 5834203157.
It is an arithmetic number, because the mean of its divisors is an integer number (37922320410).
Almost surely, 2210031313022 is an apocalyptic number.
210031313022 is an abundant number, since it is smaller than the sum of its proper divisors (245036531898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210031313022 is a wasteful number, since it uses less digits than its factorization.
210031313022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11668406287 (or 11668406284 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 210031313022 its reverse (220313130012), we get a palindrome (430344443034).
It can be divided in two parts, 21003 and 1313022, that added together give a square (1334025 = 11552).
The spelling of 210031313022 in words is "two hundred ten billion, thirty-one million, three hundred thirteen thousand, twenty-two".
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