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15052160945 = 53010432189
BaseRepresentation
bin11100000010010110…
…11011111110110001
31102212000022000001102
432001023123332301
5221311323122240
610525340014145
71042002154103
oct160113337661
942760260042
1015052160945
116424609338
122b00b31355
13155b5acc13
14a2b121573
155d16b9815
hex3812dbfb1

15052160945 has 4 divisors (see below), whose sum is σ = 18062593140. Its totient is φ = 12041728752.

The previous prime is 15052160941. The next prime is 15052160947. The reversal of 15052160945 is 54906125051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54906125051 = 59930612289.

It can be written as a sum of positive squares in 2 ways, for example, as 5943176464 + 9108984481 = 77092^2 + 95441^2 .

It is a cyclic number.

It is not a de Polignac number, because 15052160945 - 22 = 15052160941 is a prime.

It is a super-2 number, since 2×150521609452 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15052160899 and 15052160908.

It is not an unprimeable number, because it can be changed into a prime (15052160941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505216090 + ... + 1505216099.

It is an arithmetic number, because the mean of its divisors is an integer number (4515648285).

Almost surely, 215052160945 is an apocalyptic number.

It is an amenable number.

15052160945 is a deficient number, since it is larger than the sum of its proper divisors (3010432195).

15052160945 is an equidigital number, since it uses as much as digits as its factorization.

15052160945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010432194.

The product of its (nonzero) digits is 54000, while the sum is 38.

Adding to 15052160945 its reverse (54906125051), we get a palindrome (69958285996).

The spelling of 15052160945 in words is "fifteen billion, fifty-two million, one hundred sixty thousand, nine hundred forty-five".

Divisors: 1 5 3010432189 15052160945