Search a number
-
+
430621256431139 = 2379682334734829
BaseRepresentation
bin110000111101001011101001…
…1000001011011011000100011
32002110200222201202112111212112
41201322113103001123120203
5422420244313121244024
64123504401343345535
7156463234112013164
oct14172272301333043
92073628652474775
10430621256431139
111152334a3a89604
124036934b5b22ab
13156385443b3cb7
14784a273d7d76b
1534bb6a8e7700e
hex187a5d305b623

430621256431139 has 16 divisors (see below), whose sum is σ = 455098521446400. Its totient is φ = 406625070193056.

The previous prime is 430621256431133. The next prime is 430621256431151. The reversal of 430621256431139 is 931134652126034.

It is a cyclic number.

It is not a de Polignac number, because 430621256431139 - 228 = 430620987995683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (430621256431133) 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, 4970024 + ... + 29764805.

It is an arithmetic number, because the mean of its divisors is an integer number (28443657590400).

Almost surely, 2430621256431139 is an apocalyptic number.

430621256431139 is a deficient number, since it is larger than the sum of its proper divisors (24477265015261).

430621256431139 is a wasteful number, since it uses less digits than its factorization.

430621256431139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34741754.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 430621256431139 in words is "four hundred thirty trillion, six hundred twenty-one billion, two hundred fifty-six million, four hundred thirty-one thousand, one hundred thirty-nine".

Divisors: 1 23 79 1817 6823 156929 539017 12397391 34734829 798901067 2744051491 63113184293 236995738267 5450901980141 18722663323093 430621256431139