Search a number
-
+
111242412231 = 352370900199
BaseRepresentation
bin110011110011010010…
…0001000000011000111
3101122010200020001112220
41213212210020003013
53310311024142411
6123034250543423
711015455621356
oct1474644100307
9348120201486
10111242412231
11431a5494885
1219686a37b73
13a64aa20b82
1455541d399d
152d6120eb06
hex19e69080c7

111242412231 has 8 divisors (see below), whose sum is σ = 148606819200. Its totient is φ = 74019806712.

The previous prime is 111242412199. The next prime is 111242412277. The reversal of 111242412231 is 132214242111.

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

It is not a de Polignac number, because 111242412231 - 25 = 111242412199 is a prime.

It is a super-2 number, since 2×1112424122312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111242410231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35448531 + ... + 35451668.

It is an arithmetic number, because the mean of its divisors is an integer number (18575852400).

Almost surely, 2111242412231 is an apocalyptic number.

111242412231 is a deficient number, since it is larger than the sum of its proper divisors (37364406969).

111242412231 is an equidigital number, since it uses as much as digits as its factorization.

111242412231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70900725.

The product of its digits is 768, while the sum is 24.

Adding to 111242412231 its reverse (132214242111), we get a palindrome (243456654342).

The spelling of 111242412231 in words is "one hundred eleven billion, two hundred forty-two million, four hundred twelve thousand, two hundred thirty-one".

Divisors: 1 3 523 1569 70900199 212700597 37080804077 111242412231