Base | Representation |
---|---|
bin | 100101100011110111… |
… | …0011111001011001110 |
3 | 21201012100111221102111 |
4 | 1023013232133023032 |
5 | 2310143011414010 |
6 | 101015501214234 |
7 | 5553556633312 |
oct | 1130756371316 |
9 | 251170457374 |
10 | 80660263630 |
11 | 31231685a01 |
12 | 13770b6137a |
13 | 77b5b7065b |
14 | 3c9272bb42 |
15 | 217144258a |
hex | 12c7b9f2ce |
80660263630 has 16 divisors (see below), whose sum is σ = 153728973360. Its totient is φ = 30366216832.
The previous prime is 80660263561. The next prime is 80660263661. The reversal of 80660263630 is 3636206608.
It is a happy number.
It is a super-2 number, since 2×806602636302 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237235900 + ... + 237236239.
It is an arithmetic number, because the mean of its divisors is an integer number (9608060835).
Almost surely, 280660263630 is an apocalyptic number.
80660263630 is a deficient number, since it is larger than the sum of its proper divisors (73068709730).
80660263630 is a wasteful number, since it uses less digits than its factorization.
80660263630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474472163.
The product of its (nonzero) digits is 186624, while the sum is 40.
The spelling of 80660263630 in words is "eighty billion, six hundred sixty million, two hundred sixty-three thousand, six hundred thirty".
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