Base | Representation |
---|---|
bin | 10111110100010111… |
… | …10011100000100000 |
3 | 1020000011121211101120 |
4 | 23322023303200200 |
5 | 202142024130102 |
6 | 5512512532240 |
7 | 631611352446 |
oct | 137213634040 |
9 | 36004554346 |
10 | 12787333152 |
11 | 5472130730 |
12 | 258a551080 |
13 | 128a301029 |
14 | 89440ab96 |
15 | 4ec9446bc |
hex | 2fa2f3820 |
12787333152 has 48 divisors (see below), whose sum is σ = 36618275232. Its totient is φ = 3874949120.
The previous prime is 12787333121. The next prime is 12787333171. The reversal of 12787333152 is 25133378721.
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6053553 + ... + 6055664.
It is an arithmetic number, because the mean of its divisors is an integer number (762880734).
Almost surely, 212787333152 is an apocalyptic number.
12787333152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12787333152 is an abundant number, since it is smaller than the sum of its proper divisors (23830942080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12787333152 is a wasteful number, since it uses less digits than its factorization.
12787333152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12109241 (or 12109233 counting only the distinct ones).
The product of its digits is 211680, while the sum is 42.
The spelling of 12787333152 in words is "twelve billion, seven hundred eighty-seven million, three hundred thirty-three thousand, one hundred fifty-two".
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