Base | Representation |
---|---|
bin | 1101110110010000001110… |
… | …10010001110011000100100 |
3 | 10222211010111020100111021101 |
4 | 12323020013102032120210 |
5 | 12442404022212043120 |
6 | 144433110520325444 |
7 | 6262021036126324 |
oct | 673100722163044 |
9 | 128733436314241 |
10 | 30451440346660 |
11 | 9780424232243 |
12 | 34b9839913884 |
13 | 13cb735054328 |
14 | 773c01295284 |
15 | 37c1a272b90a |
hex | 1bb20748e624 |
30451440346660 has 48 divisors (see below), whose sum is σ = 64289913367680. Its totient is φ = 12115574991360.
The previous prime is 30451440346651. The next prime is 30451440346687. The reversal of 30451440346660 is 6664304415403.
It is a self number, because there is not a number n which added to its sum of digits gives 30451440346660.
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, 278947 + ... + 7809013.
It is an arithmetic number, because the mean of its divisors is an integer number (1339373195160).
Almost surely, 230451440346660 is an apocalyptic number.
It is an amenable number.
30451440346660 is an abundant number, since it is smaller than the sum of its proper divisors (33838473021020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30451440346660 is a wasteful number, since it uses less digits than its factorization.
30451440346660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7531156 (or 7531154 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 46.
The spelling of 30451440346660 in words is "thirty trillion, four hundred fifty-one billion, four hundred forty million, three hundred forty-six thousand, six hundred sixty".
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