Base | Representation |
---|---|
bin | 1111100011010… |
… | …10000010100101 |
3 | 100002110221102002 |
4 | 13301222002211 |
5 | 231344122030 |
6 | 20540055045 |
7 | 3142605224 |
oct | 761520245 |
9 | 302427362 |
10 | 130457765 |
11 | 67704939 |
12 | 37834485 |
13 | 21048c59 |
14 | 1347ccbb |
15 | b6be245 |
hex | 7c6a0a5 |
130457765 has 8 divisors (see below), whose sum is σ = 161599488. Its totient is φ = 100999440.
The previous prime is 130457699. The next prime is 130457783. The reversal of 130457765 is 567754031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-130457765 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420677 + ... + 420986.
It is an arithmetic number, because the mean of its divisors is an integer number (20199936).
Almost surely, 2130457765 is an apocalyptic number.
It is an amenable number.
130457765 is a deficient number, since it is larger than the sum of its proper divisors (31141723).
130457765 is an equidigital number, since it uses as much as digits as its factorization.
130457765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 841699.
The product of its (nonzero) digits is 88200, while the sum is 38.
The square root of 130457765 is about 11421.8109334729. The cubic root of 130457765 is about 507.1736065277.
The spelling of 130457765 in words is "one hundred thirty million, four hundred fifty-seven thousand, seven hundred sixty-five".
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