Base | Representation |
---|---|
bin | 11100010101101000… |
… | …010001110100000011 |
3 | 2220112112222211201022 |
4 | 130111220101310003 |
5 | 444303434320311 |
6 | 21551150100055 |
7 | 2125011524510 |
oct | 342550216403 |
9 | 86475884638 |
10 | 30427651331 |
11 | 119a4685890 |
12 | 5a921aa62b |
13 | 2b3bb6861c |
14 | 168916a307 |
15 | bd14505db |
hex | 715a11d03 |
30427651331 has 16 divisors (see below), whose sum is σ = 40167290880. Its totient is φ = 22315159680.
The previous prime is 30427651307. The next prime is 30427651343. The reversal of 30427651331 is 13315672403.
It is not a de Polignac number, because 30427651331 - 222 = 30423457027 is a prime.
It is a super-2 number, since 2×304276513312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30427651291 and 30427651300.
It is not an unprimeable number, because it can be changed into a prime (30427651301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11621171 + ... + 11623788.
It is an arithmetic number, because the mean of its divisors is an integer number (2510455680).
Almost surely, 230427651331 is an apocalyptic number.
30427651331 is a deficient number, since it is larger than the sum of its proper divisors (9739639549).
30427651331 is a wasteful number, since it uses less digits than its factorization.
30427651331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23244994.
The product of its (nonzero) digits is 45360, while the sum is 35.
The spelling of 30427651331 in words is "thirty billion, four hundred twenty-seven million, six hundred fifty-one thousand, three hundred thirty-one".
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