Base | Representation |
---|---|
bin | 10000100100000010000011… |
… | …011010100111001101100100 |
3 | 100112220220021212001010022100 |
4 | 100210002003122213031210 |
5 | 34021442223113204222 |
6 | 414532243454532100 |
7 | 21225603202540653 |
oct | 2044020332471544 |
9 | 315826255033270 |
10 | 72844850131812 |
11 | 21235366924540 |
12 | 82059a0b07030 |
13 | 3185317074975 |
14 | 13db9d105719a |
15 | 864cdd49d4ac |
hex | 4240836a7364 |
72844850131812 has 72 divisors (see below), whose sum is σ = 200882492883072. Its totient is φ = 22073394801600.
The previous prime is 72844850131721. The next prime is 72844850131877. The reversal of 72844850131812 is 21813105844827.
72844850131812 is a `hidden beast` number, since 7 + 2 + 8 + 448 + 5 + 0 + 13 + 181 + 2 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7613158 + ... + 14270594.
It is an arithmetic number, because the mean of its divisors is an integer number (2790034623376).
Almost surely, 272844850131812 is an apocalyptic number.
It is an amenable number.
72844850131812 is an abundant number, since it is smaller than the sum of its proper divisors (128037642751260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72844850131812 is a wasteful number, since it uses less digits than its factorization.
72844850131812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6685089 (or 6685084 counting only the distinct ones).
The product of its (nonzero) digits is 3440640, while the sum is 54.
The spelling of 72844850131812 in words is "seventy-two trillion, eight hundred forty-four billion, eight hundred fifty million, one hundred thirty-one thousand, eight hundred twelve".
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