| Base | Representation |
|---|---|
| bin | 10010011101110100… |
| … | …00001011110100000 |
| 3 | 221120220111120211200 |
| 4 | 21032322001132200 |
| 5 | 130300411032330 |
| 6 | 4315422241200 |
| 7 | 500446431144 |
| oct | 111672013640 |
| 9 | 27526446750 |
| 10 | 9913767840 |
| 11 | 4228077569 |
| 12 | 1b08126200 |
| 13 | c1cb87522 |
| 14 | 6a0917224 |
| 15 | 3d0527a60 |
| hex | 24ee817a0 |
9913767840 has 144 divisors (see below), whose sum is σ = 33900467328. Its totient is φ = 2638222848.
The previous prime is 9913767839. The next prime is 9913767841. The reversal of 9913767840 is 487673199.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (9913767839) and next prime (9913767841).
It is a tau number, because it is divible by the number of its divisors (144).
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (9913767841) 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, 717477 + ... + 731163.
It is an arithmetic number, because the mean of its divisors is an integer number (235419912).
Almost surely, 29913767840 is an apocalyptic number.
9913767840 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9913767840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16950233664).
9913767840 is an abundant number, since it is smaller than the sum of its proper divisors (23986699488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9913767840 is a wasteful number, since it uses less digits than its factorization.
9913767840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14211 (or 14200 counting only the distinct ones).
The product of its (nonzero) digits is 2286144, while the sum is 54.
The square root of 9913767840 is about 99567.9056724605. The cubic root of 9913767840 is about 2148.2240853161.
The spelling of 9913767840 in words is "nine billion, nine hundred thirteen million, seven hundred sixty-seven thousand, eight hundred forty".
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