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11422012231 = 79771670129
BaseRepresentation
bin10101010001100111…
…00001001101000111
31002111000112100012001
422220303201031013
5141343013342411
65125221210131
7553022334130
oct125063411507
932430470161
1011422012231
114931478933
122269260947
1311004a5226
147a4d64c87
1546cb4edc1
hex2a8ce1347

11422012231 has 8 divisors (see below), whose sum is σ = 13067097120. Its totient is φ = 9780269568.

The previous prime is 11422012219. The next prime is 11422012237. The reversal of 11422012231 is 13221022411.

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

It is a cyclic number.

It is not a de Polignac number, because 11422012231 - 213 = 11422004039 is a prime.

It is a super-2 number, since 2×114220122312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11422012199 and 11422012208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422012237) 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, 828226 + ... + 841903.

It is an arithmetic number, because the mean of its divisors is an integer number (1633387140).

Almost surely, 211422012231 is an apocalyptic number.

11422012231 is a deficient number, since it is larger than the sum of its proper divisors (1645084889).

11422012231 is an equidigital number, since it uses as much as digits as its factorization.

11422012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671113.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11422012231 its reverse (13221022411), we get a palindrome (24643034642).

The spelling of 11422012231 in words is "eleven billion, four hundred twenty-two million, twelve thousand, two hundred thirty-one".

Divisors: 1 7 977 6839 1670129 11690903 1631716033 11422012231