Base | Representation |
---|---|
bin | 1110000010111100110110… |
… | …10001110110000010100100 |
3 | 11001100211120222000202012110 |
4 | 13001132123101312002210 |
5 | 13022031020013044222 |
6 | 145405341555521020 |
7 | 6335364241221066 |
oct | 701363321660244 |
9 | 131324528022173 |
10 | 30887714971812 |
11 | 9929451951396 |
12 | 356a2b52b9170 |
13 | 14309119a85ba |
14 | 78ad8ad5b736 |
15 | 3886d8a3230c |
hex | 1c179b4760a4 |
30887714971812 has 24 divisors (see below), whose sum is σ = 72074656648512. Its totient is φ = 10295430460000.
The previous prime is 30887714971811. The next prime is 30887714971879. The reversal of 30887714971812 is 21817941778803.
It is not an unprimeable number, because it can be changed into a prime (30887714971811) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59045064 + ... + 59565887.
It is an arithmetic number, because the mean of its divisors is an integer number (3003110693688).
Almost surely, 230887714971812 is an apocalyptic number.
It is an amenable number.
30887714971812 is an abundant number, since it is smaller than the sum of its proper divisors (41186941676700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30887714971812 is a wasteful number, since it uses less digits than its factorization.
30887714971812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118632659 (or 118632657 counting only the distinct ones).
The product of its (nonzero) digits is 37933056, while the sum is 66.
The spelling of 30887714971812 in words is "thirty trillion, eight hundred eighty-seven billion, seven hundred fourteen million, nine hundred seventy-one thousand, eight hundred twelve".
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