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11230340413 = 23197484129
BaseRepresentation
bin10100111010110000…
…10110010100111101
31001222122212101212211
422131120112110331
5140444431343123
65054213100421
7545204214145
oct123530262475
931878771784
1011230340413
114843263a76
122215027711
13109c875856
1478770d925
1545addd40d
hex29d61653d

11230340413 has 4 divisors (see below), whose sum is σ = 11230847740. Its totient is φ = 11229833088.

The previous prime is 11230340383. The next prime is 11230340423. The reversal of 11230340413 is 31404303211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31404303211 = 263119407997.

It can be written as a sum of positive squares in 2 ways, for example, as 2059979769 + 9170360644 = 45387^2 + 95762^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230340413 - 213 = 11230332221 is a prime.

It is a super-2 number, since 2×112303404132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230340423) 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, 218868 + ... + 265261.

It is an arithmetic number, because the mean of its divisors is an integer number (2807711935).

Almost surely, 211230340413 is an apocalyptic number.

It is an amenable number.

11230340413 is a deficient number, since it is larger than the sum of its proper divisors (507327).

11230340413 is an equidigital number, since it uses as much as digits as its factorization.

11230340413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507326.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11230340413 its reverse (31404303211), we get a palindrome (42634643624).

The spelling of 11230340413 in words is "eleven billion, two hundred thirty million, three hundred forty thousand, four hundred thirteen".

Divisors: 1 23197 484129 11230340413