Base | Representation |
---|---|
bin | 11000010110111100… |
… | …01101110011110001 |
3 | 1020202101101100002111 |
4 | 30023132031303301 |
5 | 203240301402040 |
6 | 10001353245321 |
7 | 642032554255 |
oct | 141336156361 |
9 | 36671340074 |
10 | 13077372145 |
11 | 5600921282 |
12 | 264b703841 |
13 | 1305421c36 |
14 | 8c0b4a265 |
15 | 518136dea |
hex | 30b78dcf1 |
13077372145 has 16 divisors (see below), whose sum is σ = 16628906448. Its totient is φ = 9838817280.
The previous prime is 13077372109. The next prime is 13077372149. The reversal of 13077372145 is 54127377031.
It can be written as a sum of positive squares in 8 ways, for example, as 2973302784 + 10104069361 = 54528^2 + 100519^2 .
It is not a de Polignac number, because 13077372145 - 219 = 13076847857 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13077372098 and 13077372107.
It is not an unprimeable number, because it can be changed into a prime (13077372149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50935 + ... + 169555.
It is an arithmetic number, because the mean of its divisors is an integer number (1039306653).
Almost surely, 213077372145 is an apocalyptic number.
It is an amenable number.
13077372145 is a deficient number, since it is larger than the sum of its proper divisors (3551534303).
13077372145 is a wasteful number, since it uses less digits than its factorization.
13077372145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119940.
The product of its (nonzero) digits is 123480, while the sum is 40.
The spelling of 13077372145 in words is "thirteen billion, seventy-seven million, three hundred seventy-two thousand, one hundred forty-five".
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