Search a number
-
+
258838416741 = 386279472247
BaseRepresentation
bin1111000100001111111…
…0001100110101100101
3220202002220010221120110
43301003332030311211
513220100113313431
6314524141323233
724462154145412
oct3610376146545
9822086127513
10258838416741
119a8555a15a3
12421b8566519
131b540215b98
14c7565a5109
156aedc29346
hex3c43f8cd65

258838416741 has 4 divisors (see below), whose sum is σ = 345117888992. Its totient is φ = 172558944492.

The previous prime is 258838416719. The next prime is 258838416799. The reversal of 258838416741 is 147614838852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 258838416741 - 26 = 258838416677 is a prime.

It is a super-2 number, since 2×2588384167412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258838416541) 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, 43139736121 + ... + 43139736126.

It is an arithmetic number, because the mean of its divisors is an integer number (86279472248).

Almost surely, 2258838416741 is an apocalyptic number.

It is an amenable number.

258838416741 is a deficient number, since it is larger than the sum of its proper divisors (86279472251).

258838416741 is an equidigital number, since it uses as much as digits as its factorization.

258838416741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86279472250.

The product of its digits is 10321920, while the sum is 57.

The spelling of 258838416741 in words is "two hundred fifty-eight billion, eight hundred thirty-eight million, four hundred sixteen thousand, seven hundred forty-one".

Divisors: 1 3 86279472247 258838416741