Base | Representation |
---|---|
bin | 10010100111010110… |
… | …10100110011111000 |
3 | 221210111002200122000 |
4 | 21103223110303320 |
5 | 130431403112302 |
6 | 4331401501000 |
7 | 502440622632 |
oct | 112353246370 |
9 | 27714080560 |
10 | 9993800952 |
11 | 4269270633 |
12 | 1b2aaa1760 |
13 | c336299b5 |
14 | 6ab3cba52 |
15 | 3d758631c |
hex | 253ad4cf8 |
9993800952 has 64 divisors (see below), whose sum is σ = 27772221600. Its totient is φ = 3329867520.
The previous prime is 9993800933. The next prime is 9993800953. The reversal of 9993800952 is 2590083999.
It is a super-2 number, since 2×99938009522 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9993800953) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591502 + ... + 608162.
Almost surely, 29993800952 is an apocalyptic number.
It is an amenable number.
9993800952 is an abundant number, since it is smaller than the sum of its proper divisors (17778420648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9993800952 is a wasteful number, since it uses less digits than its factorization.
9993800952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19453 (or 19443 counting only the distinct ones).
The product of its (nonzero) digits is 1574640, while the sum is 54.
The square root of 9993800952 is about 99968.9999549860. Note that the first 4 decimals coincide. The cubic root of 9993800952 is about 2153.9894165416.
The spelling of 9993800952 in words is "nine billion, nine hundred ninety-three million, eight hundred thousand, nine hundred fifty-two".
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