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230681144507 = 1120971013137
BaseRepresentation
bin1101011011010110101…
…0101110110010111011
3211001102120021022110212
43112311222232302323
512234413333111012
6253550133301335
722444331242622
oct3266552566273
9731376238425
10230681144507
1189916546180
123885a79484b
13189a3851158
14b244b966b9
156001c98b22
hex35b5aaecbb

230681144507 has 4 divisors (see below), whose sum is σ = 251652157656. Its totient is φ = 209710131360.

The previous prime is 230681144503. The next prime is 230681144543. The reversal of 230681144507 is 705441186032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230681144507 - 22 = 230681144503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230681144503) 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, 10485506558 + ... + 10485506579.

It is an arithmetic number, because the mean of its divisors is an integer number (62913039414).

Almost surely, 2230681144507 is an apocalyptic number.

230681144507 is a deficient number, since it is larger than the sum of its proper divisors (20971013149).

230681144507 is a wasteful number, since it uses less digits than its factorization.

230681144507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20971013148.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 230681144507 in words is "two hundred thirty billion, six hundred eighty-one million, one hundred forty-four thousand, five hundred seven".

Divisors: 1 11 20971013137 230681144507