Base | Representation |
---|---|
bin | 1110000011111000010100… |
… | …10011001001001000111100 |
3 | 11001110220000001000211012210 |
4 | 13001330022103021020330 |
5 | 13023041411420313421 |
6 | 145432142042300420 |
7 | 6340604363413506 |
oct | 701741223111074 |
9 | 131426001024183 |
10 | 30919642354236 |
11 | 9940a46043359 |
12 | 35745257b7710 |
13 | 143392c47096c |
14 | 78c73935ad76 |
15 | 389456977576 |
hex | 1c1f0a4c923c |
30919642354236 has 48 divisors (see below), whose sum is σ = 74017635310080. Its totient is φ = 10039909918080.
The previous prime is 30919642354217. The next prime is 30919642354273. The reversal of 30919642354236 is 63245324691903.
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, 47357716 + ... + 48006171.
It is an arithmetic number, because the mean of its divisors is an integer number (1542034068960).
Almost surely, 230919642354236 is an apocalyptic number.
It is an amenable number.
30919642354236 is an abundant number, since it is smaller than the sum of its proper divisors (43097992955844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30919642354236 is a wasteful number, since it uses less digits than its factorization.
30919642354236 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95364594 (or 95364592 counting only the distinct ones).
The product of its (nonzero) digits is 25194240, while the sum is 57.
The spelling of 30919642354236 in words is "thirty trillion, nine hundred nineteen billion, six hundred forty-two million, three hundred fifty-four thousand, two hundred thirty-six".
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