Base | Representation |
---|---|
bin | 10010100100110110… |
… | …00001100000100100 |
3 | 221202000111012122220 |
4 | 21102123001200210 |
5 | 130411011002442 |
6 | 4325330352340 |
7 | 502063656654 |
oct | 112233014044 |
9 | 27660435586 |
10 | 9972750372 |
11 | 42583a2a62 |
12 | 1b23a2b6b0 |
13 | c2c169330 |
14 | 6a86ac364 |
15 | 3d57c8eec |
hex | 2526c1824 |
9972750372 has 48 divisors (see below), whose sum is σ = 25066392960. Its totient is φ = 3067723008.
The previous prime is 9972750349. The next prime is 9972750451. The reversal of 9972750372 is 2730572799.
It is a super-2 number, since 2×99727503722 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871504 + ... + 882872.
It is an arithmetic number, because the mean of its divisors is an integer number (522216520).
Almost surely, 29972750372 is an apocalyptic number.
It is an amenable number.
9972750372 is an abundant number, since it is smaller than the sum of its proper divisors (15093642588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9972750372 is a wasteful number, since it uses less digits than its factorization.
9972750372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17012 (or 17010 counting only the distinct ones).
The product of its (nonzero) digits is 1666980, while the sum is 51.
The square root of 9972750372 is about 99863.6589155434. The cubic root of 9972750372 is about 2152.4759916979.
The spelling of 9972750372 in words is "nine billion, nine hundred seventy-two million, seven hundred fifty thousand, three hundred seventy-two".
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