Base | Representation |
---|---|
bin | 10110111000111110… |
… | …10110000000110101 |
3 | 1011201110011221010201 |
4 | 23130133112000311 |
5 | 200132004414431 |
6 | 5351234520501 |
7 | 613351645555 |
oct | 133437260065 |
9 | 34643157121 |
10 | 12289138741 |
11 | 5236997910 |
12 | 246b736131 |
13 | 120b02ba39 |
14 | 8481a5165 |
15 | 4bdd36461 |
hex | 2dc7d6035 |
12289138741 has 16 divisors (see below), whose sum is σ = 13547476800. Its totient is φ = 11054464000.
The previous prime is 12289138691. The next prime is 12289138747. The reversal of 12289138741 is 14783198221.
It is a cyclic number.
It is not a de Polignac number, because 12289138741 - 213 = 12289130549 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12289138691 and 12289138700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12289138747) 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, 2863125 + ... + 2867413.
It is an arithmetic number, because the mean of its divisors is an integer number (846717300).
Almost surely, 212289138741 is an apocalyptic number.
12289138741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12289138741 is a deficient number, since it is larger than the sum of its proper divisors (1258338059).
12289138741 is a wasteful number, since it uses less digits than its factorization.
12289138741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6980.
The product of its digits is 193536, while the sum is 46.
The spelling of 12289138741 in words is "twelve billion, two hundred eighty-nine million, one hundred thirty-eight thousand, seven hundred forty-one".
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