Base | Representation |
---|---|
bin | 1011011001000100010… |
… | …01001100101011001100 |
3 | 1101102022101010002120220 |
4 | 11230202021030223030 |
5 | 22403104201013432 |
6 | 455451414511340 |
7 | 40164424263525 |
oct | 5544211145314 |
9 | 1342271102526 |
10 | 391414860492 |
11 | 140aa8536a87 |
12 | 63a38065550 |
13 | 2abaab03636 |
14 | 14d31cdd84c |
15 | a2acd6872c |
hex | 5b2224cacc |
391414860492 has 48 divisors (see below), whose sum is σ = 926230818912. Its totient is φ = 128626168320.
The previous prime is 391414860467. The next prime is 391414860493. The reversal of 391414860492 is 294068414193.
It is not an unprimeable number, because it can be changed into a prime (391414860493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1859742 + ... + 2059482.
It is an arithmetic number, because the mean of its divisors is an integer number (19296475394).
Almost surely, 2391414860492 is an apocalyptic number.
It is an amenable number.
391414860492 is an abundant number, since it is smaller than the sum of its proper divisors (534815958420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
391414860492 is a wasteful number, since it uses less digits than its factorization.
391414860492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202058 (or 202056 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 51.
The spelling of 391414860492 in words is "three hundred ninety-one billion, four hundred fourteen million, eight hundred sixty thousand, four hundred ninety-two".
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