Base | Representation |
---|---|
bin | 1000011011100010011… |
… | …1100100000001010000 |
3 | 111211211112122022221210 |
4 | 2012320213210001100 |
5 | 4333103303042124 |
6 | 150311245220120 |
7 | 13315024510032 |
oct | 2067047440120 |
9 | 454745568853 |
10 | 144831299664 |
11 | 56471547087 |
12 | 2409b861640 |
13 | 108717a4cac |
14 | 701d137c52 |
15 | 3b79e52a29 |
hex | 21b89e4050 |
144831299664 has 40 divisors (see below), whose sum is σ = 377851967712. Its totient is φ = 47799107200.
The previous prime is 144831299659. The next prime is 144831299737. The reversal of 144831299664 is 466992138441.
It is a super-2 number, since 2×1448312996642 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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, 14932374 + ... + 14942069.
Almost surely, 2144831299664 is an apocalyptic number.
It is an amenable number.
144831299664 is an abundant number, since it is smaller than the sum of its proper divisors (233020668048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144831299664 is a wasteful number, since it uses less digits than its factorization.
144831299664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29874555 (or 29874549 counting only the distinct ones).
The product of its digits is 8957952, while the sum is 57.
The spelling of 144831299664 in words is "one hundred forty-four billion, eight hundred thirty-one million, two hundred ninety-nine thousand, six hundred sixty-four".
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