Base | Representation |
---|---|
bin | 110011111010100000… |
… | …001110010001100001 |
3 | 12022212210002012202221 |
4 | 303322200032101201 |
5 | 1403130020434000 |
6 | 41335132111041 |
7 | 4012230142042 |
oct | 637240162141 |
9 | 168783065687 |
10 | 55742358625 |
11 | 21705121088 |
12 | a978005481 |
13 | 534464bc75 |
14 | 29ab2348c9 |
15 | 16b3a8961a |
hex | cfa80e461 |
55742358625 has 16 divisors (see below), whose sum is σ = 69633968976. Its totient is φ = 44550614400.
The previous prime is 55742358557. The next prime is 55742358649. The reversal of 55742358625 is 52685324755.
It can be written as a sum of positive squares in 8 ways, for example, as 1326999184 + 54415359441 = 36428^2 + 233271^2 .
It is not a de Polignac number, because 55742358625 - 211 = 55742356577 is a prime.
It is a super-2 number, since 2×557423586252 (a number of 22 digits) contains 22 as substring.
It is a Duffinian 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, 86722 + ... + 344971.
It is an arithmetic number, because the mean of its divisors is an integer number (4352123061).
Almost surely, 255742358625 is an apocalyptic number.
It is an amenable number.
55742358625 is a deficient number, since it is larger than the sum of its proper divisors (13891610351).
55742358625 is a wasteful number, since it uses less digits than its factorization.
55742358625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432741 (or 432731 counting only the distinct ones).
The product of its digits is 10080000, while the sum is 52.
The spelling of 55742358625 in words is "fifty-five billion, seven hundred forty-two million, three hundred fifty-eight thousand, six hundred twenty-five".
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