Base | Representation |
---|---|
bin | 10111100001011000… |
… | …01100111000110001 |
3 | 1012121001220120212011 |
4 | 23300230030320301 |
5 | 201330240203203 |
6 | 5445023002521 |
7 | 624635453443 |
oct | 136054147061 |
9 | 35531816764 |
10 | 12628053553 |
11 | 53a02305a5 |
12 | 2545139441 |
13 | 126330344b |
14 | 87b1c8493 |
15 | 4dd98076d |
hex | 2f0b0ce31 |
12628053553 has 8 divisors (see below), whose sum is σ = 12712700520. Its totient is φ = 12543686400.
The previous prime is 12628053499. The next prime is 12628053563. The reversal of 12628053553 is 35535082621.
It can be written as a sum of positive squares in 4 ways, for example, as 905227569 + 11722825984 = 30087^2 + 108272^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12628053553 - 213 = 12628045361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12628053563) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21003 + ... + 160303.
It is an arithmetic number, because the mean of its divisors is an integer number (1589087565).
Almost surely, 212628053553 is an apocalyptic number.
It is an amenable number.
12628053553 is a deficient number, since it is larger than the sum of its proper divisors (84646967).
12628053553 is a wasteful number, since it uses less digits than its factorization.
12628053553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139907.
The product of its (nonzero) digits is 216000, while the sum is 40.
The spelling of 12628053553 in words is "twelve billion, six hundred twenty-eight million, fifty-three thousand, five hundred fifty-three".
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