Base | Representation |
---|---|
bin | 11100111001101101… |
… | …100000000001001011 |
3 | 2222002202001201222210 |
4 | 130321231200001023 |
5 | 1002023422000021 |
6 | 22131212520203 |
7 | 2146012101456 |
oct | 347155400113 |
9 | 88082051883 |
10 | 31033000011 |
11 | 12185357252 |
12 | 6020a80063 |
13 | 2c073b7900 |
14 | 170570649d |
15 | c19677e76 |
hex | 739b6004b |
31033000011 has 12 divisors (see below), whose sum is σ = 44805042168. Its totient is φ = 19097230464.
The previous prime is 31032999929. The next prime is 31033000039. The reversal of 31033000011 is 11000033013.
It is not a de Polignac number, because 31033000011 - 215 = 31032967243 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31033008011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30604030 + ... + 30605043.
It is an arithmetic number, because the mean of its divisors is an integer number (3733753514).
Almost surely, 231033000011 is an apocalyptic number.
31033000011 is a deficient number, since it is larger than the sum of its proper divisors (13772042157).
31033000011 is a wasteful number, since it uses less digits than its factorization.
31033000011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61209102 (or 61209089 counting only the distinct ones).
The product of its (nonzero) digits is 27, while the sum is 12.
Adding to 31033000011 its reverse (11000033013), we get a palindrome (42033033024).
The spelling of 31033000011 in words is "thirty-one billion, thirty-three million, eleven", and thus it is an aban number and an uban number.
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