Base | Representation |
---|---|
bin | 11101001110000011… |
… | …100100001001000000 |
3 | 2222222112100000111101 |
4 | 131032003210021000 |
5 | 1003223312002014 |
6 | 22225124424144 |
7 | 2160325251100 |
oct | 351603441100 |
9 | 88875300441 |
10 | 31374328384 |
11 | 1233aa99313 |
12 | 60b7248054 |
13 | 2c60025a69 |
14 | 1738b97200 |
15 | c395ec474 |
hex | 74e0e4240 |
31374328384 has 63 divisors (see below), whose sum is σ = 72445979187. Its totient is φ = 13441889664.
The previous prime is 31374328369. The next prime is 31374328387. The reversal of 31374328384 is 48382347313.
The square root of 31374328384 is 177128.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31374328387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9917587 + ... + 9920749.
Almost surely, 231374328384 is an apocalyptic number.
31374328384 is the 177128-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31374328384
31374328384 is an abundant number, since it is smaller than the sum of its proper divisors (41071650803).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31374328384 is an frugal number, since it uses more digits than its factorization.
31374328384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6352 (or 3172 counting only the distinct ones).
The product of its digits is 1161216, while the sum is 46.
The spelling of 31374328384 in words is "thirty-one billion, three hundred seventy-four million, three hundred twenty-eight thousand, three hundred eighty-four".
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