Search a number
-
+
257144130147335 = 5274785118716017
BaseRepresentation
bin111010011101111100001000…
…100010001001010000000111
31020201110201221120001101212112
4322131330020202021100013
5232201022134304203320
62310522214345411235
7105110023155245264
oct7235741042112007
91221421846041775
10257144130147335
1174a30238809722
1224a10308a99b1b
13b06378375b712
14476dbb140426b
151eadd97a01ec5
hexe9df08889407

257144130147335 has 8 divisors (see below), whose sum is σ = 308573084960016. Its totient is φ = 205715218262400.

The previous prime is 257144130147199. The next prime is 257144130147341. The reversal of 257144130147335 is 533741031441752.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 257144130147335 - 210 = 257144130146311 is a prime.

It is a super-2 number, since 2×2571441301473352 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4381247 + ... + 23097263.

It is an arithmetic number, because the mean of its divisors is an integer number (38571635620002).

Almost surely, 2257144130147335 is an apocalyptic number.

257144130147335 is a deficient number, since it is larger than the sum of its proper divisors (51428954812681).

257144130147335 is a wasteful number, since it uses less digits than its factorization.

257144130147335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21463873.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 257144130147335 in words is "two hundred fifty-seven trillion, one hundred forty-four billion, one hundred thirty million, one hundred forty-seven thousand, three hundred thirty-five".

Divisors: 1 5 2747851 13739255 18716017 93580085 51428826029467 257144130147335