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9072152013 = 33024050671
BaseRepresentation
bin10000111001011111…
…00000110111001101
3212102020212001222010
420130233200313031
5122034432331023
64100115411433
7440550006531
oct103457406715
925366761863
109072152013
113935aa20a1
1219122b3b79
13b176c34b2
14620c37bc1
153816d0093
hex21cbe0dcd

9072152013 has 4 divisors (see below), whose sum is σ = 12096202688. Its totient is φ = 6048101340.

The previous prime is 9072151973. The next prime is 9072152021. The reversal of 9072152013 is 3102512709.

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: 3102512709 = 31034170903.

It is not a de Polignac number, because 9072152013 - 28 = 9072151757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9072156013) 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, 1512025333 + ... + 1512025338.

It is an arithmetic number, because the mean of its divisors is an integer number (3024050672).

Almost surely, 29072152013 is an apocalyptic number.

It is an amenable number.

9072152013 is a deficient number, since it is larger than the sum of its proper divisors (3024050675).

9072152013 is a wasteful number, since it uses less digits than its factorization.

9072152013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024050674.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 9072152013 is about 95247.8451882246. The cubic root of 9072152013 is about 2085.6276359241.

The spelling of 9072152013 in words is "nine billion, seventy-two million, one hundred fifty-two thousand, thirteen".

Divisors: 1 3 3024050671 9072152013