Base | Representation |
---|---|
bin | 1110111000000101… |
… | …10001000110111010 |
3 | 202121121100101122020 |
4 | 13130002301012322 |
5 | 112324042232000 |
6 | 3400302135310 |
7 | 401626443033 |
oct | 73402610672 |
9 | 22547311566 |
10 | 7986680250 |
11 | 342930009a |
12 | 166a881536 |
13 | 9a385b503 |
14 | 55a9dba8a |
15 | 31b268ba0 |
hex | 1dc0b11ba |
7986680250 has 64 divisors (see below), whose sum is σ = 20398435200. Its totient is φ = 2080243200.
The previous prime is 7986680231. The next prime is 7986680281. The reversal of 7986680250 is 520866897.
It is a super-2 number, since 2×79866802502 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7986680193 and 7986680202.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91575 + ... + 156074.
It is an arithmetic number, because the mean of its divisors is an integer number (318725550).
Almost surely, 27986680250 is an apocalyptic number.
7986680250 is an abundant number, since it is smaller than the sum of its proper divisors (12411754950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7986680250 is a wasteful number, since it uses less digits than its factorization.
7986680250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247712 (or 247702 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 51.
The square root of 7986680250 is about 89368.2284148007. The cubic root of 7986680250 is about 1998.8894042360.
The spelling of 7986680250 in words is "seven billion, nine hundred eighty-six million, six hundred eighty thousand, two hundred fifty".
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