Base | Representation |
---|---|
bin | 11101010000001111… |
… | …100101100000001000 |
3 | 10000002002101212022002 |
4 | 131100033211200020 |
5 | 1003312211042440 |
6 | 22232515250132 |
7 | 2161252245644 |
oct | 352017454010 |
9 | 100062355262 |
10 | 31411034120 |
11 | 12359789934 |
12 | 61075a9948 |
13 | 2c6780802b |
14 | 173d9cdc24 |
15 | c3c94d115 |
hex | 7503e5808 |
31411034120 has 32 divisors (see below), whose sum is σ = 70712728920. Its totient is φ = 12557675520.
The previous prime is 31411034111. The next prime is 31411034159. The reversal of 31411034120 is 2143011413.
It can be written as a sum of positive squares in 4 ways, for example, as 19001519716 + 12409514404 = 137846^2 + 111398^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 31411034092 and 31411034101.
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, 134711 + ... + 284550.
Almost surely, 231411034120 is an apocalyptic number.
It is an amenable number.
31411034120 is an abundant number, since it is smaller than the sum of its proper divisors (39301694800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31411034120 is a wasteful number, since it uses less digits than its factorization.
31411034120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421145 (or 421141 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 31411034120 its reverse (2143011413), we get a palindrome (33554045533).
The spelling of 31411034120 in words is "thirty-one billion, four hundred eleven million, thirty-four thousand, one hundred twenty".
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