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15045133441 = 131157317957
BaseRepresentation
bin11100000001100001…
…01000010010000001
31102211112001222010111
432000300220102001
5221303023232231
610524525231321
71041555344542
oct160060502201
942745058114
1015045133441
116420649488
122aba702541
131559cbc330
14a2a2124c9
155d0c7c4b1
hex380c28481

15045133441 has 4 divisors (see below), whose sum is σ = 16202451412. Its totient is φ = 13887815472.

The previous prime is 15045133421. The next prime is 15045133469. The reversal of 15045133441 is 14433154051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3054883441 + 11990250000 = 55271^2 + 109500^2 .

It is a cyclic number.

It is not a de Polignac number, because 15045133441 - 29 = 15045132929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15045133421) 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, 578658966 + ... + 578658991.

It is an arithmetic number, because the mean of its divisors is an integer number (4050612853).

Almost surely, 215045133441 is an apocalyptic number.

It is an amenable number.

15045133441 is a deficient number, since it is larger than the sum of its proper divisors (1157317971).

15045133441 is a wasteful number, since it uses less digits than its factorization.

15045133441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157317970.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 15045133441 its reverse (14433154051), we get a palindrome (29478287492).

The spelling of 15045133441 in words is "fifteen billion, forty-five million, one hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 13 1157317957 15045133441