Base | Representation |
---|---|
bin | 11000011110110011… |
… | …00011111100110011 |
3 | 1020220222100211120200 |
4 | 30033121203330303 |
5 | 203404133322404 |
6 | 10012105410243 |
7 | 643462606062 |
oct | 141731437463 |
9 | 36828324520 |
10 | 13143260979 |
11 | 5635034562 |
12 | 2669799983 |
13 | 1315c81404 |
14 | 8c97bc1d9 |
15 | 51dcee839 |
hex | 30f663f33 |
13143260979 has 6 divisors (see below), whose sum is σ = 18984710316. Its totient is φ = 8762173980.
The previous prime is 13143260969. The next prime is 13143260987. The reversal of 13143260979 is 97906234131.
13143260979 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 32 + 609 + 7 + 9 = 666.
It is not a de Polignac number, because 13143260979 - 215 = 13143228211 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13143260909) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 730181157 + ... + 730181174.
It is an arithmetic number, because the mean of its divisors is an integer number (3164118386).
Almost surely, 213143260979 is an apocalyptic number.
13143260979 is a deficient number, since it is larger than the sum of its proper divisors (5841449337).
13143260979 is a wasteful number, since it uses less digits than its factorization.
13143260979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1460362337 (or 1460362334 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The spelling of 13143260979 in words is "thirteen billion, one hundred forty-three million, two hundred sixty thousand, nine hundred seventy-nine".
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