Base | Representation |
---|---|
bin | 111100000001111100… |
… | …0000010101000101110 |
3 | 110022202020111211110120 |
4 | 1320003320002220232 |
5 | 4103003443311030 |
6 | 135120003145410 |
7 | 12212416162161 |
oct | 1700370025056 |
9 | 408666454416 |
10 | 128914041390 |
11 | 4a743685382 |
12 | 20b99075266 |
13 | c205bcc084 |
14 | 634d183ad8 |
15 | 3547853010 |
hex | 1e03e02a2e |
128914041390 has 32 divisors (see below), whose sum is σ = 314011520640. Its totient is φ = 33863986464.
The previous prime is 128914041379. The next prime is 128914041407. The reversal of 128914041390 is 93140419821.
It is a Curzon number.
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, 32066160 + ... + 32070179.
It is an arithmetic number, because the mean of its divisors is an integer number (9812860020).
Almost surely, 2128914041390 is an apocalyptic number.
128914041390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
128914041390 is an abundant number, since it is smaller than the sum of its proper divisors (185097479250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128914041390 is a wasteful number, since it uses less digits than its factorization.
128914041390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64136416.
The product of its (nonzero) digits is 62208, while the sum is 42.
The spelling of 128914041390 in words is "one hundred twenty-eight billion, nine hundred fourteen million, forty-one thousand, three hundred ninety".
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