Base | Representation |
---|---|
bin | 10010100100100011… |
… | …00100000010100000 |
3 | 221201211211012201220 |
4 | 21102101210002200 |
5 | 130404342122433 |
6 | 4325201255040 |
7 | 502033620432 |
oct | 112221440240 |
9 | 27654735656 |
10 | 9970270368 |
11 | 4256a59773 |
12 | 1b23034480 |
13 | c2b7ab586 |
14 | 6a8224652 |
15 | 3d54892b3 |
hex | 2524640a0 |
9970270368 has 144 divisors (see below), whose sum is σ = 28802098080. Its totient is φ = 3011323392.
The previous prime is 9970270367. The next prime is 9970270393. The reversal of 9970270368 is 8630720799.
It is a super-2 number, since 2×99702703682 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 9970270368.
It is not an unprimeable number, because it can be changed into a prime (9970270361) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 959730 + ... + 970062.
It is an arithmetic number, because the mean of its divisors is an integer number (200014570).
Almost surely, 29970270368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9970270368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14401049040).
9970270368 is an abundant number, since it is smaller than the sum of its proper divisors (18831827712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9970270368 is a wasteful number, since it uses less digits than its factorization.
9970270368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10411 (or 10380 counting only the distinct ones).
The product of its (nonzero) digits is 1143072, while the sum is 51.
The square root of 9970270368 is about 99851.2411940883. The cubic root of 9970270368 is about 2152.2975524033.
The spelling of 9970270368 in words is "nine billion, nine hundred seventy million, two hundred seventy thousand, three hundred sixty-eight".
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