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9140744023 = 44839203857
BaseRepresentation
bin10001000001101010…
…01010111101010111
3212121000220220111221
420200311022331113
5122210012302043
64111005511211
7442342020325
oct104065127527
925530826457
109140744023
113970791304
121931272507
13b2898b198
14629db0d15
1538772d8ed
hex220d4af57

9140744023 has 4 divisors (see below), whose sum is σ = 9140992720. Its totient is φ = 9140495328.

The previous prime is 9140743999. The next prime is 9140744051. The reversal of 9140744023 is 3204470419.

It is a happy number.

9140744023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204470419 = 4097834891.

It is a cyclic number.

It is not a de Polignac number, because 9140744023 - 225 = 9107189591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9140744023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140744323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57090 + ... + 146767.

It is an arithmetic number, because the mean of its divisors is an integer number (2285248180).

Almost surely, 29140744023 is an apocalyptic number.

9140744023 is a deficient number, since it is larger than the sum of its proper divisors (248697).

9140744023 is a wasteful number, since it uses less digits than its factorization.

9140744023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248696.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 9140744023 is about 95607.2383399918. The cubic root of 9140744023 is about 2090.8707270622.

The spelling of 9140744023 in words is "nine billion, one hundred forty million, seven hundred forty-four thousand, twenty-three".

Divisors: 1 44839 203857 9140744023