Base | Representation |
---|---|
bin | 101011100000000110001… |
… | …110110100010101111100 |
3 | 101120210011112212012121110 |
4 | 223200012032310111330 |
5 | 342434243324120344 |
6 | 10205151235002020 |
7 | 425656106631144 |
oct | 53400616642574 |
9 | 11523145765543 |
10 | 2989401785724 |
11 | a52886413502 |
12 | 403448739310 |
13 | 188b8cc208b3 |
14 | a498b533924 |
15 | 52b640bc3b9 |
hex | 2b8063b457c |
2989401785724 has 48 divisors (see below), whose sum is σ = 7043333326848. Its totient is φ = 986744987328.
The previous prime is 2989401785719. The next prime is 2989401785731. The reversal of 2989401785724 is 4275871049892.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32976949 + ... + 33067475.
It is an arithmetic number, because the mean of its divisors is an integer number (146736110976).
Almost surely, 22989401785724 is an apocalyptic number.
It is an amenable number.
2989401785724 is an abundant number, since it is smaller than the sum of its proper divisors (4053931541124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2989401785724 is a wasteful number, since it uses less digits than its factorization.
2989401785724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117354 (or 117352 counting only the distinct ones).
The product of its (nonzero) digits is 81285120, while the sum is 66.
The spelling of 2989401785724 in words is "two trillion, nine hundred eighty-nine billion, four hundred one million, seven hundred eighty-five thousand, seven hundred twenty-four".
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