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11122424231 = 19585390749
BaseRepresentation
bin10100101101111001…
…01011100110100111
31001201010210200201012
422112330223212213
5140234320033411
65035400052435
7542424021542
oct122674534647
931633720635
1011122424231
114798355a46
1221a4a6411b
1310833bcb19
1477725b859
154516c318b
hex296f2b9a7

11122424231 has 4 divisors (see below), whose sum is σ = 11707815000. Its totient is φ = 10537033464.

The previous prime is 11122424219. The next prime is 11122424297. The reversal of 11122424231 is 13242422111.

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 11122424231 - 26 = 11122424167 is a prime.

It is a super-2 number, since 2×111224242312 (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 = 11122424197 and 11122424206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122444231) 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, 292695356 + ... + 292695393.

It is an arithmetic number, because the mean of its divisors is an integer number (2926953750).

Almost surely, 211122424231 is an apocalyptic number.

11122424231 is a deficient number, since it is larger than the sum of its proper divisors (585390769).

11122424231 is an equidigital number, since it uses as much as digits as its factorization.

11122424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585390768.

The product of its digits is 768, while the sum is 23.

Adding to 11122424231 its reverse (13242422111), we get a palindrome (24364846342).

The spelling of 11122424231 in words is "eleven billion, one hundred twenty-two million, four hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 19 585390749 11122424231