Base | Representation |
---|---|
bin | 11000011010010010… |
… | …01001100011101110 |
3 | 1020211100010111202121 |
4 | 30031021021203232 |
5 | 203314440413032 |
6 | 10004234143154 |
7 | 642523045225 |
oct | 141511114356 |
9 | 36740114677 |
10 | 13105404142 |
11 | 5615728116 |
12 | 2658b81aba |
13 | 130b18820c |
14 | 8c4765cbc |
15 | 51a822a97 |
hex | 30d2498ee |
13105404142 has 32 divisors (see below), whose sum is σ = 21338836992. Its totient is φ = 6012887424.
The previous prime is 13105404127. The next prime is 13105404157. The reversal of 13105404142 is 24140450131.
It is an interprime number because it is at equal distance from previous prime (13105404127) and next prime (13105404157).
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, 404683 + ... + 435865.
It is an arithmetic number, because the mean of its divisors is an integer number (666838656).
Almost surely, 213105404142 is an apocalyptic number.
13105404142 is a deficient number, since it is larger than the sum of its proper divisors (8233432850).
13105404142 is a wasteful number, since it uses less digits than its factorization.
13105404142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31512.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 13105404142 its reverse (24140450131), we get a palindrome (37245854273).
The spelling of 13105404142 in words is "thirteen billion, one hundred five million, four hundred four thousand, one hundred forty-two".
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