Base | Representation |
---|---|
bin | 1110000101111000101010… |
… | …11111000100010001101010 |
3 | 11001201110212021222211100111 |
4 | 13002330111133010101222 |
5 | 13030204022133144104 |
6 | 145523535413524534 |
7 | 6345564100505242 |
oct | 702742537042152 |
9 | 131643767884314 |
10 | 30988549506154 |
11 | 9968196365499 |
12 | 358595664374a |
13 | 143a29136ca36 |
14 | 791bd4b76b22 |
15 | 38b13b166404 |
hex | 1c2f157c446a |
30988549506154 has 16 divisors (see below), whose sum is σ = 50176362021120. Its totient is φ = 14309555093680.
The previous prime is 30988549506139. The next prime is 30988549506193. The reversal of 30988549506154 is 45160594588903.
It is a self number, because there is not a number n which added to its sum of digits gives 30988549506154.
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, 11614897282 + ... + 11614899949.
It is an arithmetic number, because the mean of its divisors is an integer number (3136022626320).
Almost surely, 230988549506154 is an apocalyptic number.
30988549506154 is a deficient number, since it is larger than the sum of its proper divisors (19187812514966).
30988549506154 is a wasteful number, since it uses less digits than its factorization.
30988549506154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23229797285.
The product of its (nonzero) digits is 186624000, while the sum is 67.
The spelling of 30988549506154 in words is "thirty trillion, nine hundred eighty-eight billion, five hundred forty-nine million, five hundred six thousand, one hundred fifty-four".
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