Base | Representation |
---|---|
bin | 11101010100011111… |
… | …01011100010111001 |
3 | 1111122000201201102221 |
4 | 32222033223202321 |
5 | 224214212423004 |
6 | 11121551124041 |
7 | 1065036321622 |
oct | 165217534271 |
9 | 44560651387 |
10 | 15741139129 |
11 | 674850a8a1 |
12 | 3073813621 |
13 | 163b260611 |
14 | a9482aa49 |
15 | 621e11354 |
hex | 3aa3eb8b9 |
15741139129 has 12 divisors (see below), whose sum is σ = 16681824016. Its totient is φ = 14844857328.
The previous prime is 15741139123. The next prime is 15741139153. The reversal of 15741139129 is 92193114751.
It is not a de Polignac number, because 15741139129 - 221 = 15739041977 is a prime.
It is a super-2 number, since 2×157411391292 (a number of 21 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (15741139123) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181479 + ... + 253804.
Almost surely, 215741139129 is an apocalyptic number.
It is an amenable number.
15741139129 is a deficient number, since it is larger than the sum of its proper divisors (940684887).
15741139129 is an equidigital number, since it uses as much as digits as its factorization.
15741139129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 435384 (or 435355 counting only the distinct ones).
The product of its digits is 68040, while the sum is 43.
The spelling of 15741139129 in words is "fifteen billion, seven hundred forty-one million, one hundred thirty-nine thousand, one hundred twenty-nine".
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