Base | Representation |
---|---|
bin | 10010100011110011… |
… | …11011101101110010 |
3 | 221201102011111111210 |
4 | 21101321323231302 |
5 | 130401300412030 |
6 | 4324420420550 |
7 | 501630150636 |
oct | 112171735562 |
9 | 27642144453 |
10 | 9964075890 |
11 | 425350876a |
12 | 1b20b47756 |
13 | c2a41cbc2 |
14 | 6a7490dc6 |
15 | 3d4b63bb0 |
hex | 251e7bb72 |
9964075890 has 32 divisors (see below), whose sum is σ = 23951019456. Its totient is φ = 2652949440.
The previous prime is 9964075879. The next prime is 9964075907. The reversal of 9964075890 is 985704699.
It is a self number, because there is not a number n which added to its sum of digits gives 9964075890.
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, 238981 + ... + 277560.
It is an arithmetic number, because the mean of its divisors is an integer number (748469358).
Almost surely, 29964075890 is an apocalyptic number.
9964075890 is an abundant number, since it is smaller than the sum of its proper divisors (13986943566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9964075890 is a wasteful number, since it uses less digits than its factorization.
9964075890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517194.
The product of its (nonzero) digits is 4898880, while the sum is 57.
The square root of 9964075890 is about 99820.2178418781. The cubic root of 9964075890 is about 2151.8517229053.
The spelling of 9964075890 in words is "nine billion, nine hundred sixty-four million, seventy-five thousand, eight hundred ninety".
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