Base | Representation |
---|---|
bin | 11001100101111010… |
… | …00110110000010111 |
3 | 1022110112211012102002 |
4 | 30302331012300113 |
5 | 211114340444033 |
6 | 10151215105515 |
7 | 664325132654 |
oct | 146275066027 |
9 | 38415735362 |
10 | 13739781143 |
11 | 5910825a30 |
12 | 27b551229b |
13 | 13ac72c11a |
14 | 944adac2b |
15 | 5563813e8 |
hex | 332f46c17 |
13739781143 has 16 divisors (see below), whose sum is σ = 15360178176. Its totient is φ = 12183092640.
The previous prime is 13739781071. The next prime is 13739781179. The reversal of 13739781143 is 34118793731.
It is a cyclic number.
It is not a de Polignac number, because 13739781143 - 212 = 13739777047 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13739783143) 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, 106130 + ... + 196832.
It is an arithmetic number, because the mean of its divisors is an integer number (960011136).
Almost surely, 213739781143 is an apocalyptic number.
13739781143 is a deficient number, since it is larger than the sum of its proper divisors (1620397033).
13739781143 is a wasteful number, since it uses less digits than its factorization.
13739781143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91054.
The product of its digits is 381024, while the sum is 47.
The spelling of 13739781143 in words is "thirteen billion, seven hundred thirty-nine million, seven hundred eighty-one thousand, one hundred forty-three".
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