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11715047269 = 103113738323
BaseRepresentation
bin10101110100100010…
…10110111101100101
31010020102221001200121
422322101112331211
5142443023003034
65214250041541
7563211154522
oct127221267545
933212831617
1011715047269
114a71925452
12232b4192b1
131149104a43
147d1c44149
154887351b4
hex2ba456f65

11715047269 has 4 divisors (see below), whose sum is σ = 11828785696. Its totient is φ = 11601308844.

The previous prime is 11715047249. The next prime is 11715047287. The reversal of 11715047269 is 96274051711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96274051711 = 177101543611.

It is a cyclic number.

It is not a de Polignac number, because 11715047269 - 217 = 11714916197 is a prime.

It is a super-2 number, since 2×117150472692 (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 (11715047209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56869059 + ... + 56869264.

It is an arithmetic number, because the mean of its divisors is an integer number (2957196424).

Almost surely, 211715047269 is an apocalyptic number.

It is an amenable number.

11715047269 is a deficient number, since it is larger than the sum of its proper divisors (113738427).

11715047269 is a wasteful number, since it uses less digits than its factorization.

11715047269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113738426.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 11715047269 in words is "eleven billion, seven hundred fifteen million, forty-seven thousand, two hundred sixty-nine".

Divisors: 1 103 113738323 11715047269