Base | Representation |
---|---|
bin | 11101010001101000… |
… | …110001010101100100 |
3 | 10000010201101122122210 |
4 | 131101220301111210 |
5 | 1003334202212122 |
6 | 22235112323420 |
7 | 2161655051103 |
oct | 352150612544 |
9 | 100121348583 |
10 | 31434413412 |
11 | 123709a8066 |
12 | 61133a3570 |
13 | 2c6c60262c |
14 | 1742b5803a |
15 | c3ea1a40c |
hex | 751a31564 |
31434413412 has 24 divisors (see below), whose sum is σ = 74590135200. Its totient is φ = 10300542016.
The previous prime is 31434413377. The next prime is 31434413477. The reversal of 31434413412 is 21431443413.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 31434413412.
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, 22198737 + ... + 22200152.
It is an arithmetic number, because the mean of its divisors is an integer number (3107922300).
Almost surely, 231434413412 is an apocalyptic number.
It is an amenable number.
31434413412 is an abundant number, since it is smaller than the sum of its proper divisors (43155721788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31434413412 is a wasteful number, since it uses less digits than its factorization.
31434413412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44398955 (or 44398953 counting only the distinct ones).
The product of its digits is 13824, while the sum is 30.
Adding to 31434413412 its reverse (21431443413), we get a palindrome (52865856825).
The spelling of 31434413412 in words is "thirty-one billion, four hundred thirty-four million, four hundred thirteen thousand, four hundred twelve".
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