Base | Representation |
---|---|
bin | 1011111110000100… |
… | …0111110101111010 |
3 | 22021221001222021200 |
4 | 2333201013311322 |
5 | 23040030144010 |
6 | 1250500315030 |
7 | 142424110146 |
oct | 27741076572 |
9 | 8257058250 |
10 | 3213131130 |
11 | 13a9801a80 |
12 | 7580a2a76 |
13 | 3c28b8631 |
14 | 226a46226 |
15 | 13c143cc0 |
hex | bf847d7a |
3213131130 has 48 divisors (see below), whose sum is σ = 9113611104. Its totient is φ = 778940640.
The previous prime is 3213131113. The next prime is 3213131147. The reversal of 3213131130 is 311313123.
It is a happy number.
3213131130 is a `hidden beast` number, since 321 + 3 + 1 + 311 + 30 = 666.
It is an interprime number because it is at equal distance from previous prime (3213131113) and next prime (3213131147).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1621804 + ... + 1623783.
It is an arithmetic number, because the mean of its divisors is an integer number (189866898).
Almost surely, 23213131130 is an apocalyptic number.
3213131130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3213131130 is an abundant number, since it is smaller than the sum of its proper divisors (5900479974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3213131130 is a wasteful number, since it uses less digits than its factorization.
3213131130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3245611 (or 3245608 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
The square root of 3213131130 is about 56684.4875605311. The cubic root of 3213131130 is about 1475.6254943605.
Adding to 3213131130 its reverse (311313123), we get a palindrome (3524444253).
The spelling of 3213131130 in words is "three billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred thirty".
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