Base | Representation |
---|---|
bin | 1100101000100000110110… |
… | …0111101110010111111111 |
3 | 1211011212220121221121121121 |
4 | 3022020031213232113333 |
5 | 3310034013101041024 |
6 | 45313014215211411 |
7 | 2632346635223062 |
oct | 312101547562777 |
9 | 54155817847547 |
10 | 13890152752639 |
11 | 4475865127929 |
12 | 1684008076b67 |
13 | 799ab32aab27 |
14 | 36040368c8d9 |
15 | 1914ac42a8e4 |
hex | ca20d9ee5ff |
13890152752639 has 16 divisors (see below), whose sum is σ = 14282858741760. Its totient is φ = 13500024408000.
The previous prime is 13890152752633. The next prime is 13890152752681. The reversal of 13890152752639 is 93625725109831.
It is not a de Polignac number, because 13890152752639 - 233 = 13881562818047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13890152752633) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122953422 + ... + 123066340.
It is an arithmetic number, because the mean of its divisors is an integer number (892678671360).
Almost surely, 213890152752639 is an apocalyptic number.
13890152752639 is a deficient number, since it is larger than the sum of its proper divisors (392705989121).
13890152752639 is a wasteful number, since it uses less digits than its factorization.
13890152752639 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124302.
The product of its (nonzero) digits is 24494400, while the sum is 61.
The spelling of 13890152752639 in words is "thirteen trillion, eight hundred ninety billion, one hundred fifty-two million, seven hundred fifty-two thousand, six hundred thirty-nine".
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