Base | Representation |
---|---|
bin | 11100001001110110… |
… | …011010110000101011 |
3 | 2220000210010201010201 |
4 | 130021312122300223 |
5 | 443402342001103 |
6 | 21515410253031 |
7 | 2120062012225 |
oct | 341166326053 |
9 | 86023121121 |
10 | 30230031403 |
11 | 11903079030 |
12 | 5a37b87177 |
13 | 2b09c35760 |
14 | 166ac07415 |
15 | bbde1651d |
hex | 709d9ac2b |
30230031403 has 32 divisors (see below), whose sum is σ = 36388880640. Its totient is φ = 24749063040.
The previous prime is 30230031383. The next prime is 30230031409. The reversal of 30230031403 is 30413003203.
It is not a de Polignac number, because 30230031403 - 221 = 30227934251 is a prime.
It is a super-2 number, since 2×302300314032 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30230031409) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1345500 + ... + 1367782.
It is an arithmetic number, because the mean of its divisors is an integer number (1137152520).
Almost surely, 230230031403 is an apocalyptic number.
30230031403 is a deficient number, since it is larger than the sum of its proper divisors (6158849237).
30230031403 is a wasteful number, since it uses less digits than its factorization.
30230031403 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22539.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30230031403 its reverse (30413003203), we get a palindrome (60643034606).
The spelling of 30230031403 in words is "thirty billion, two hundred thirty million, thirty-one thousand, four hundred three".
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