Base | Representation |
---|---|
bin | 1011100111001010110011… |
… | …0000110010101000001001 |
3 | 1200012120020220101202222110 |
4 | 2321302230300302220021 |
5 | 3133140411031301040 |
6 | 43053154423212533 |
7 | 2455265401135446 |
oct | 271625460625011 |
9 | 50176226352873 |
10 | 12767541275145 |
11 | 4082758223158 |
12 | 15225278a7149 |
13 | 717c87a96a97 |
14 | 321d491509cd |
15 | 1721a6812980 |
hex | b9cacc32a09 |
12767541275145 has 32 divisors (see below), whose sum is σ = 20446592834304. Its totient is φ = 6803181216000.
The previous prime is 12767541275143. The next prime is 12767541275171. The reversal of 12767541275145 is 54157214576721.
It is a happy number.
It is not a de Polignac number, because 12767541275145 - 21 = 12767541275143 is a prime.
It is a super-2 number, since 2×127675412751452 (a number of 27 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (12767541275143) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154771260 + ... + 154853730.
It is an arithmetic number, because the mean of its divisors is an integer number (638956026072).
Almost surely, 212767541275145 is an apocalyptic number.
12767541275145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12767541275145 is a deficient number, since it is larger than the sum of its proper divisors (7679051559159).
12767541275145 is a wasteful number, since it uses less digits than its factorization.
12767541275145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91713.
The product of its digits is 16464000, while the sum is 57.
The spelling of 12767541275145 in words is "twelve trillion, seven hundred sixty-seven billion, five hundred forty-one million, two hundred seventy-five thousand, one hundred forty-five".
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