Base | Representation |
---|---|
bin | 1110000101111010101101… |
… | …01010011101110000000000 |
3 | 11001201120200111121201220111 |
4 | 13002331112222131300000 |
5 | 13030213242102404440 |
6 | 145524240115321104 |
7 | 6345633146246221 |
oct | 702752652356000 |
9 | 131646614551814 |
10 | 30989643013120 |
11 | 99686a7645460 |
12 | 35860008b0194 |
13 | 143a406a8918c |
14 | 791c9a0a5248 |
15 | 38b1a21684ea |
hex | 1c2f56a9dc00 |
30989643013120 has 176 divisors, whose sum is σ = 81549984297600. Its totient is φ = 11206002360320.
The previous prime is 30989643013111. The next prime is 30989643013139. The reversal of 30989643013120 is 2131034698903.
It is a tau number, because it is divible by the number of its divisors (176).
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, 8544291 + ... + 11618269.
Almost surely, 230989643013120 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30989643013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40774992148800).
30989643013120 is an abundant number, since it is smaller than the sum of its proper divisors (50560341284480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30989643013120 is a wasteful number, since it uses less digits than its factorization.
30989643013120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3074194 (or 3074176 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 49.
The spelling of 30989643013120 in words is "thirty trillion, nine hundred eighty-nine billion, six hundred forty-three million, thirteen thousand, one hundred twenty".
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