Base | Representation |
---|---|
bin | 11101001001101100… |
… | …100111000011000000 |
3 | 2222210102201211002221 |
4 | 131021230213003000 |
5 | 1003101101431422 |
6 | 22213553220424 |
7 | 2155446554005 |
oct | 351154470300 |
9 | 88712654087 |
10 | 31301202112 |
11 | 12302792484 |
12 | 6096861714 |
13 | 2c4ab3128b |
14 | 172d19d8ac |
15 | c32ea53c7 |
hex | 749b270c0 |
31301202112 has 28 divisors (see below), whose sum is σ = 62121283936. Its totient is φ = 15648595200.
The previous prime is 31301202109. The next prime is 31301202151. The reversal of 31301202112 is 21120210313.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557737 + ... + 611287.
Almost surely, 231301202112 is an apocalyptic number.
31301202112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
31301202112 is a deficient number, since it is larger than the sum of its proper divisors (30820081824).
31301202112 is an equidigital number, since it uses as much as digits as its factorization.
31301202112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62696 (or 62686 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 31301202112 its reverse (21120210313), we get a palindrome (52421412425).
The spelling of 31301202112 in words is "thirty-one billion, three hundred one million, two hundred two thousand, one hundred twelve".
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