Base | Representation |
---|---|
bin | 11100111110100010… |
… | …100100100010101000 |
3 | 2222022101112000221100 |
4 | 130332202210202220 |
5 | 1002210142133112 |
6 | 22143225241400 |
7 | 2151014546403 |
oct | 347642444250 |
9 | 88271460840 |
10 | 31114021032 |
11 | 12217065576 |
12 | 6044033260 |
13 | 2c1b114943 |
14 | 1712396d3a |
15 | c2182e2dc |
hex | 73e8a48a8 |
31114021032 has 24 divisors (see below), whose sum is σ = 84267140490. Its totient is φ = 10371340320.
The previous prime is 31114021013. The next prime is 31114021039. The reversal of 31114021032 is 23012041113.
31114021032 is a `hidden beast` number, since 311 + 140 + 210 + 3 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 27664338276 + 3449682756 = 166326^2 + 58734^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 31114020996 and 31114021014.
It is not an unprimeable number, because it can be changed into a prime (31114021039) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216069519 + ... + 216069662.
Almost surely, 231114021032 is an apocalyptic number.
It is an amenable number.
31114021032 is an abundant number, since it is smaller than the sum of its proper divisors (53153119458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31114021032 is a wasteful number, since it uses less digits than its factorization.
31114021032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432139193 (or 432139186 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 31114021032 its reverse (23012041113), we get a palindrome (54126062145).
The spelling of 31114021032 in words is "thirty-one billion, one hundred fourteen million, twenty-one thousand, thirty-two".
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