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15044502241 = 136131105157
BaseRepresentation
bin11100000001011100…
…01110001011100001
31102211110212220021201
432000232032023201
5221302343032431
610524503521201
71041550105366
oct160056161341
942743786251
1015044502241
11642025822a
122aba459201
131559b2ac42
14a2a0ca46d
155d0ba5461
hex380b8e2e1

15044502241 has 4 divisors (see below), whose sum is σ = 15045621012. Its totient is φ = 15043383472.

The previous prime is 15044502211. The next prime is 15044502247. The reversal of 15044502241 is 14220544051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14220544051 = 72031506293.

It can be written as a sum of positive squares in 2 ways, for example, as 88435216 + 14956067025 = 9404^2 + 122295^2 .

It is a cyclic number.

It is not a de Polignac number, because 15044502241 - 29 = 15044501729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15044502247) 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, 538966 + ... + 566191.

It is an arithmetic number, because the mean of its divisors is an integer number (3761405253).

Almost surely, 215044502241 is an apocalyptic number.

It is an amenable number.

15044502241 is a deficient number, since it is larger than the sum of its proper divisors (1118771).

15044502241 is a wasteful number, since it uses less digits than its factorization.

15044502241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118770.

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 15044502241 in words is "fifteen billion, forty-four million, five hundred two thousand, two hundred forty-one".

Divisors: 1 13613 1105157 15044502241