Base | Representation |
---|---|
bin | 1101111011111111011001… |
… | …01000110110011000010100 |
3 | 11000111222021222010021020020 |
4 | 12331333230220312120110 |
5 | 13004121223304212221 |
6 | 145103431021105140 |
7 | 6312166634545314 |
oct | 675775450663024 |
9 | 130458258107206 |
10 | 30648561788436 |
11 | 9846a89139aa9 |
12 | 352ba913b81b0 |
13 | 14141bab9c1c7 |
14 | 77d580d43444 |
15 | 38238d0e9ac6 |
hex | 1bdfeca36614 |
30648561788436 has 48 divisors (see below), whose sum is σ = 71552161114560. Its totient is φ = 10210637831680.
The previous prime is 30648561788423. The next prime is 30648561788477. The reversal of 30648561788436 is 63488716584603.
It is a congruent number.
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, 632022151 + ... + 632070641.
It is an arithmetic number, because the mean of its divisors is an integer number (1490670023220).
Almost surely, 230648561788436 is an apocalyptic number.
It is an amenable number.
30648561788436 is an abundant number, since it is smaller than the sum of its proper divisors (40903599326124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30648561788436 is a wasteful number, since it uses less digits than its factorization.
30648561788436 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76024 (or 76022 counting only the distinct ones).
The product of its (nonzero) digits is 557383680, while the sum is 69.
The spelling of 30648561788436 in words is "thirty trillion, six hundred forty-eight billion, five hundred sixty-one million, seven hundred eighty-eight thousand, four hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •