Base | Representation |
---|---|
bin | 101100001001100000010011… |
… | …1010000100110001000000000 |
3 | 1212220222102000112121102111001 |
4 | 1120103000213100212020000 |
5 | 401344432343423301044 |
6 | 3453530212010301344 |
7 | 144540143661264205 |
oct | 13023004720461000 |
9 | 1786872015542431 |
10 | 388334421697024 |
11 | 10280a781210590 |
12 | 37679990127854 |
13 | 1388ba1814083a |
14 | 6bc76b457bcac |
15 | 2ed67097b82d4 |
hex | 1613027426200 |
388334421697024 has 160 divisors (see below), whose sum is σ = 876299133194496. Its totient is φ = 170393410437120.
The previous prime is 388334421696983. The next prime is 388334421697031. The reversal of 388334421697024 is 420796124433883.
It is a Harshad number since it is a multiple of its sum of digits (64).
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, 9275094 + ... + 29371690.
Almost surely, 2388334421697024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 388334421697024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438149566597248).
388334421697024 is an abundant number, since it is smaller than the sum of its proper divisors (487964711497472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388334421697024 is a wasteful number, since it uses less digits than its factorization.
388334421697024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20096746 (or 20096730 counting only the distinct ones).
The product of its (nonzero) digits is 167215104, while the sum is 64.
The spelling of 388334421697024 in words is "three hundred eighty-eight trillion, three hundred thirty-four billion, four hundred twenty-one million, six hundred ninety-seven thousand, twenty-four".
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