Base | Representation |
---|---|
bin | 1011011110101101… |
… | …1110010000111000 |
3 | 21221202121212002111 |
4 | 2313223132100320 |
5 | 22302344023210 |
6 | 1225441542104 |
7 | 136236252226 |
oct | 26753362070 |
9 | 7852555074 |
10 | 3081626680 |
11 | 1341552810 |
12 | 720044934 |
13 | 3a1594152 |
14 | 2133b3b16 |
15 | 13081988a |
hex | b7ade438 |
3081626680 has 32 divisors (see below), whose sum is σ = 7563993840. Its totient is φ = 1120591360.
The previous prime is 3081626671. The next prime is 3081626693. The reversal of 3081626680 is 866261803.
It is a Harshad number since it is a multiple of its sum of digits (40).
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, 3501409 + ... + 3502288.
Almost surely, 23081626680 is an apocalyptic number.
It is an amenable number.
3081626680 is an abundant number, since it is smaller than the sum of its proper divisors (4482367160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3081626680 is a wasteful number, since it uses less digits than its factorization.
3081626680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7003719 (or 7003715 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 40.
The square root of 3081626680 is about 55512.4011370432. The cubic root of 3081626680 is about 1455.2133664415.
The spelling of 3081626680 in words is "three billion, eighty-one million, six hundred twenty-six thousand, six hundred eighty".
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