Base | Representation |
---|---|
bin | 111111100001111… |
… | …1010011110010100 |
3 | 12111120020020001211 |
4 | 1333003322132110 |
5 | 13331210413442 |
6 | 551310231204 |
7 | 103553266120 |
oct | 17703723624 |
9 | 5446206054 |
10 | 2131732372 |
11 | 9a43420a0 |
12 | 4b5ab5504 |
13 | 27c84b503 |
14 | 16318a580 |
15 | c7234617 |
hex | 7f0fa794 |
2131732372 has 24 divisors (see below), whose sum is σ = 4651053120. Its totient is φ = 830544960.
The previous prime is 2131732321. The next prime is 2131732373. The reversal of 2131732372 is 2732371312.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131732373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3460297 + ... + 3460912.
It is an arithmetic number, because the mean of its divisors is an integer number (193793880).
Almost surely, 22131732372 is an apocalyptic number.
2131732372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2131732372 is an abundant number, since it is smaller than the sum of its proper divisors (2519320748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131732372 is a wasteful number, since it uses less digits than its factorization.
2131732372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6921231 (or 6921229 counting only the distinct ones).
The product of its digits is 10584, while the sum is 31.
The square root of 2131732372 is about 46170.6873676362. The cubic root of 2131732372 is about 1286.9970757255.
The spelling of 2131732372 in words is "two billion, one hundred thirty-one million, seven hundred thirty-two thousand, three hundred seventy-two".
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