Base | Representation |
---|---|
bin | 101101000000000… |
… | …111011001111011 |
3 | 1221121200020020001 |
4 | 231000013121323 |
5 | 3021240130201 |
6 | 202530213431 |
7 | 24465302623 |
oct | 5500073173 |
9 | 1847606201 |
10 | 755005051 |
11 | 3581a9519 |
12 | 190a24277 |
13 | c055a968 |
14 | 723b5883 |
15 | 4643a301 |
hex | 2d00767b |
755005051 has 4 divisors (see below), whose sum is σ = 772563352. Its totient is φ = 737446752.
The previous prime is 755005021. The next prime is 755005057. The reversal of 755005051 is 150500557.
755005051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150500557 = 467 ⋅322271.
It is a cyclic number.
It is not a de Polignac number, because 755005051 - 25 = 755005019 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (755005057) 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, 8779086 + ... + 8779171.
It is an arithmetic number, because the mean of its divisors is an integer number (193140838).
Almost surely, 2755005051 is an apocalyptic number.
755005051 is a deficient number, since it is larger than the sum of its proper divisors (17558301).
755005051 is a wasteful number, since it uses less digits than its factorization.
755005051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17558300.
The product of its (nonzero) digits is 4375, while the sum is 28.
The square root of 755005051 is about 27477.3552402701. The cubic root of 755005051 is about 910.5768797209.
The spelling of 755005051 in words is "seven hundred fifty-five million, five thousand, fifty-one".
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