Base | Representation |
---|---|
bin | 111011110100010… |
… | …0100111000111001 |
3 | 12011212202112122202 |
4 | 1313220210320321 |
5 | 13102311004221 |
6 | 531055355545 |
7 | 100511200010 |
oct | 16750447071 |
9 | 5155675582 |
10 | 2007125561 |
11 | 93aa74161 |
12 | 480222bb5 |
13 | 25caa077c |
14 | 1507d1a77 |
15 | bb31dd0b |
hex | 77a24e39 |
2007125561 has 8 divisors (see below), whose sum is σ = 2300250240. Its totient is φ = 1715599008.
The previous prime is 2007125551. The next prime is 2007125563. The reversal of 2007125561 is 1655217002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2007125561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2007125563) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396836 + ... + 401861.
It is an arithmetic number, because the mean of its divisors is an integer number (287531280).
Almost surely, 22007125561 is an apocalyptic number.
It is an amenable number.
2007125561 is a deficient number, since it is larger than the sum of its proper divisors (293124679).
2007125561 is an equidigital number, since it uses as much as digits as its factorization.
2007125561 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 799063.
The product of its (nonzero) digits is 4200, while the sum is 29.
The square root of 2007125561 is about 44800.9549116980. The cubic root of 2007125561 is about 1261.4155504878.
The spelling of 2007125561 in words is "two billion, seven million, one hundred twenty-five thousand, five hundred sixty-one".
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