Base | Representation |
---|---|
bin | 1101111011110011001111… |
… | …11010101000100101100110 |
3 | 11000111100110110102212002110 |
4 | 12331321213322220211212 |
5 | 13004014344232113020 |
6 | 145100431531021450 |
7 | 6311546214326640 |
oct | 675714772504546 |
9 | 130440413385073 |
10 | 30642040113510 |
11 | 9844241898111 |
12 | 352a77129a886 |
13 | 14136bb9cc767 |
14 | 77d122b39890 |
15 | 38210a7b68e0 |
hex | 1bde67ea8966 |
30642040113510 has 128 divisors (see below), whose sum is σ = 84787429985280. Its totient is φ = 6942434978304.
The previous prime is 30642040113397. The next prime is 30642040113541. The reversal of 30642040113510 is 1531104024603.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9751797 + ... + 12505263.
It is an arithmetic number, because the mean of its divisors is an integer number (662401796760).
Almost surely, 230642040113510 is an apocalyptic number.
30642040113510 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30642040113510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42393714992640).
30642040113510 is an abundant number, since it is smaller than the sum of its proper divisors (54145389871770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30642040113510 is a wasteful number, since it uses less digits than its factorization.
30642040113510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2753950.
The product of its (nonzero) digits is 8640, while the sum is 30.
The spelling of 30642040113510 in words is "thirty trillion, six hundred forty-two billion, forty million, one hundred thirteen thousand, five hundred ten".
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