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11422168231 = 19601166749
BaseRepresentation
bin10101010001101000…
…00111010010100111
31002111000211021011211
422220310013102213
5141343033340411
65125224412251
7553023554005
oct125064072247
932430737154
1011422168231
114931575061
122269317087
13110052b236
147a4da5a75
1546cb81221
hex2a8d074a7

11422168231 has 4 divisors (see below), whose sum is σ = 12023335000. Its totient is φ = 10821001464.

The previous prime is 11422168187. The next prime is 11422168237. The reversal of 11422168231 is 13286122411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13286122411 = 17383764317.

It is a cyclic number.

It is not a de Polignac number, because 11422168231 - 215 = 11422135463 is a prime.

It is a super-2 number, since 2×114221682312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11422168193 and 11422168202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422168237) 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, 300583356 + ... + 300583393.

It is an arithmetic number, because the mean of its divisors is an integer number (3005833750).

Almost surely, 211422168231 is an apocalyptic number.

11422168231 is a deficient number, since it is larger than the sum of its proper divisors (601166769).

11422168231 is an equidigital number, since it uses as much as digits as its factorization.

11422168231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601166768.

The product of its digits is 4608, while the sum is 31.

The spelling of 11422168231 in words is "eleven billion, four hundred twenty-two million, one hundred sixty-eight thousand, two hundred thirty-one".

Divisors: 1 19 601166749 11422168231