Base | Representation |
---|---|
bin | 11101000100010010… |
… | …010011011101000010 |
3 | 2222120002220121111202 |
4 | 131010102103131002 |
5 | 1002404331420114 |
6 | 22200551341202 |
7 | 2153265123143 |
oct | 350422233502 |
9 | 88502817452 |
10 | 31210420034 |
11 | 12266517572 |
12 | 6070381802 |
13 | 2c35097381 |
14 | 17210cbaca |
15 | c2a021cde |
hex | 744493742 |
31210420034 has 16 divisors (see below), whose sum is σ = 49283119680. Its totient is φ = 14782830480.
The previous prime is 31210420019. The next prime is 31210420057. The reversal of 31210420034 is 43002401213.
It is a super-2 number, since 2×312104200342 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31210419988 and 31210420015.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872852 + ... + 907904.
It is an arithmetic number, because the mean of its divisors is an integer number (3080194980).
Almost surely, 231210420034 is an apocalyptic number.
31210420034 is a deficient number, since it is larger than the sum of its proper divisors (18072699646).
31210420034 is a wasteful number, since it uses less digits than its factorization.
31210420034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58505.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 31210420034 its reverse (43002401213), we get a palindrome (74212821247).
The spelling of 31210420034 in words is "thirty-one billion, two hundred ten million, four hundred twenty thousand, thirty-four".
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