Base | Representation |
---|---|
bin | 1101111011000001101101… |
… | …00001100111000000110110 |
3 | 11000101210210202202201122200 |
4 | 12331200312201213000312 |
5 | 13003100411031303402 |
6 | 145040312330005330 |
7 | 6306615120263016 |
oct | 675406641470066 |
9 | 130353722681580 |
10 | 30615441666102 |
11 | 9833a3274a977 |
12 | 3525589576846 |
13 | 1411040285097 |
14 | 77bb1c383c46 |
15 | 3815a060021c |
hex | 1bd836867036 |
30615441666102 has 96 divisors (see below), whose sum is σ = 72237927621600. Its totient is φ = 9333944492544.
The previous prime is 30615441666077. The next prime is 30615441666133. The reversal of 30615441666102 is 20166614451603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138711978 + ... + 138932514.
It is an arithmetic number, because the mean of its divisors is an integer number (752478412725).
Almost surely, 230615441666102 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30615441666102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36118963810800).
30615441666102 is an abundant number, since it is smaller than the sum of its proper divisors (41622485955498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30615441666102 is a wasteful number, since it uses less digits than its factorization.
30615441666102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234590 (or 234587 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 45.
The spelling of 30615441666102 in words is "thirty trillion, six hundred fifteen billion, four hundred forty-one million, six hundred sixty-six thousand, one hundred two".
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