Base | Representation |
---|---|
bin | 11101000000101101… |
… | …000101101100100000 |
3 | 2222101220211212012002 |
4 | 131000231011230200 |
5 | 1002243441121304 |
6 | 22151003423132 |
7 | 2151635313341 |
oct | 350055055440 |
9 | 88356755162 |
10 | 31150332704 |
11 | 12235607017 |
12 | 6054224aa8 |
13 | 2c257b973a |
14 | 171712a0c8 |
15 | c24b0331e |
hex | 740b45b20 |
31150332704 has 48 divisors (see below), whose sum is σ = 64956849048. Its totient is φ = 14653980672.
The previous prime is 31150332691. The next prime is 31150332709. The reversal of 31150332704 is 40723305113.
It can be written as a sum of positive squares in 4 ways, for example, as 29464409104 + 1685923600 = 171652^2 + 41060^2 .
It is not an unprimeable number, because it can be changed into a prime (31150332709) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946624 + ... + 1962560.
Almost surely, 231150332704 is an apocalyptic number.
31150332704 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
31150332704 is an abundant number, since it is smaller than the sum of its proper divisors (33806516344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31150332704 is a wasteful number, since it uses less digits than its factorization.
31150332704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19557 (or 19549 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 29.
Adding to 31150332704 its reverse (40723305113), we get a palindrome (71873637817).
The spelling of 31150332704 in words is "thirty-one billion, one hundred fifty million, three hundred thirty-two thousand, seven hundred four".
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