Base | Representation |
---|---|
bin | 111100000101011001… |
… | …1110111011001000000 |
3 | 110100001100102211000000 |
4 | 1320022303313121000 |
5 | 4103223234343024 |
6 | 135135321000000 |
7 | 12215331124032 |
oct | 1701263673100 |
9 | 410040384000 |
10 | 129030387264 |
11 | 4a7a3320799 |
12 | 21010023000 |
13 | c22404699c |
14 | 63607cbc52 |
15 | 3552b85cc9 |
hex | 1e0acf7640 |
129030387264 has 147 divisors (see below), whose sum is σ = 384122379963. Its totient is φ = 42984266112.
The previous prime is 129030387229. The next prime is 129030387301. The reversal of 129030387264 is 462783030921.
The square root of 129030387264 is 359208.
It is a perfect power (a square), and thus also a powerful number.
129030387264 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 3 + 0 + 387 + 264 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 77588097 + ... + 77589759.
Almost surely, 2129030387264 is an apocalyptic number.
129030387264 is the 359208-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 129030387264
129030387264 is an abundant number, since it is smaller than the sum of its proper divisors (255091992699).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129030387264 is an frugal number, since it uses more digits than its factorization.
129030387264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3356 (or 1668 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 45.
The spelling of 129030387264 in words is "one hundred twenty-nine billion, thirty million, three hundred eighty-seven thousand, two hundred sixty-four".
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