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15040324043 = 18778012959
BaseRepresentation
bin11100000000111100…
…10010000111001011
31102211012000121212122
432000132102013023
5221300310332133
610524234201455
71041466434143
oct160036220713
942735017778
1015040324043
116418964078
122ab8b8328b
131558cc7234
14a2971d923
155d062c498
hex3807921cb

15040324043 has 4 divisors (see below), whose sum is σ = 15048338880. Its totient is φ = 15032309208.

The previous prime is 15040323983. The next prime is 15040324109. The reversal of 15040324043 is 34042304051.

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 15040324043 - 212 = 15040319947 is a prime.

It is a super-2 number, since 2×150403240432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15040324543) 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, 4004603 + ... + 4008356.

It is an arithmetic number, because the mean of its divisors is an integer number (3762084720).

Almost surely, 215040324043 is an apocalyptic number.

15040324043 is a deficient number, since it is larger than the sum of its proper divisors (8014837).

15040324043 is an equidigital number, since it uses as much as digits as its factorization.

15040324043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014836.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 15040324043 its reverse (34042304051), we get a palindrome (49082628094).

The spelling of 15040324043 in words is "fifteen billion, forty million, three hundred twenty-four thousand, forty-three".

Divisors: 1 1877 8012959 15040324043