Search a number
-
+
230461023687065 = 5471439681504661
BaseRepresentation
bin110100011001101001100011…
…011100111001000110011001
31010012222212011222201200110022
4310121221203130321012121
5220201333134030441230
62134052155510200225
766354155002500113
oct6431514334710631
91105885158650408
10230461023687065
1167482a75846026
1221a20a82653075
139b794c58a8222
1440ca53197c3b3
151b99c47cc41e5
hexd19a63739199

230461023687065 has 16 divisors (see below), whose sum is σ = 282633613424640. Its totient is φ = 180320680998720.

The previous prime is 230461023687043. The next prime is 230461023687067. The reversal of 230461023687065 is 560786320164032.

230461023687065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230461023687065 - 26 = 230461023687001 is a prime.

It is a super-2 number, since 2×2304610236870652 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230461023686998 and 230461023687016.

It is not an unprimeable number, because it can be changed into a prime (230461023687067) 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, 340414166 + ... + 341090495.

It is an arithmetic number, because the mean of its divisors is an integer number (17664600839040).

Almost surely, 2230461023687065 is an apocalyptic number.

It is an amenable number.

230461023687065 is a deficient number, since it is larger than the sum of its proper divisors (52172589737575).

230461023687065 is a wasteful number, since it uses less digits than its factorization.

230461023687065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681506152.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 230461023687065 in words is "two hundred thirty trillion, four hundred sixty-one billion, twenty-three million, six hundred eighty-seven thousand, sixty-five".

Divisors: 1 5 47 235 1439 7195 67633 338165 681504661 3407523305 32030719067 160153595335 980685207179 4903426035895 46092204737413 230461023687065