Base | Representation |
---|---|
bin | 10010101110110100… |
… | …00001100100100001 |
3 | 221221211211202111002 |
4 | 21113122001210201 |
5 | 131043412441221 |
6 | 4341515001345 |
7 | 504130526162 |
oct | 112732014441 |
9 | 27854752432 |
10 | 10056374561 |
11 | 42a061a062 |
12 | 1b47a39255 |
13 | c435981bc |
14 | 6b5839769 |
15 | 3dcce680b |
hex | 257681921 |
10056374561 has 4 divisors (see below), whose sum is σ = 10074048900. Its totient is φ = 10038700224.
The previous prime is 10056374533. The next prime is 10056374567. The reversal of 10056374561 is 16547365001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16547365001 = 33359 ⋅496039.
It can be written as a sum of positive squares in 2 ways, for example, as 2047019536 + 8009355025 = 45244^2 + 89495^2 .
It is a cyclic number.
It is not a de Polignac number, because 10056374561 - 226 = 9989265697 is a prime.
It is a super-2 number, since 2×100563745612 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10056374567) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8836316 + ... + 8837453.
It is an arithmetic number, because the mean of its divisors is an integer number (2518512225).
Almost surely, 210056374561 is an apocalyptic number.
It is an amenable number.
10056374561 is a deficient number, since it is larger than the sum of its proper divisors (17674339).
10056374561 is an equidigital number, since it uses as much as digits as its factorization.
10056374561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17674338.
The product of its (nonzero) digits is 75600, while the sum is 38.
The spelling of 10056374561 in words is "ten billion, fifty-six million, three hundred seventy-four thousand, five hundred sixty-one".
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