Base | Representation |
---|---|
bin | 111110111000100… |
… | …000100001101001 |
3 | 2201112011120212022 |
4 | 332320200201221 |
5 | 4130040010211 |
6 | 252404154225 |
7 | 35100233510 |
oct | 7670404151 |
9 | 2645146768 |
10 | 1055000681 |
11 | 4a157a699 |
12 | 255398975 |
13 | 13a756777 |
14 | a0187677 |
15 | 62947bdb |
hex | 3ee20869 |
1055000681 has 16 divisors (see below), whose sum is σ = 1246986240. Its totient is φ = 873821520.
The previous prime is 1055000641. The next prime is 1055000719. The reversal of 1055000681 is 1860005501.
It is a cyclic number.
It is not a de Polignac number, because 1055000681 - 222 = 1050806377 is a prime.
It is a super-2 number, since 2×10550006812 = 2226052873820927522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1055000681.
It is not an unprimeable number, because it can be changed into a prime (1055000641) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5696 + ... + 46286.
It is an arithmetic number, because the mean of its divisors is an integer number (77936640).
Almost surely, 21055000681 is an apocalyptic number.
It is an amenable number.
1055000681 is a deficient number, since it is larger than the sum of its proper divisors (191985559).
1055000681 is an equidigital number, since it uses as much as digits as its factorization.
1055000681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40724.
The product of its (nonzero) digits is 1200, while the sum is 26.
The square root of 1055000681 is about 32480.7740209497. The cubic root of 1055000681 is about 1018.0073493216.
The spelling of 1055000681 in words is "one billion, fifty-five million, six hundred eighty-one", and thus it is an aban number.
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