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15020054345 = 53498607481
BaseRepresentation
bin11011111110100001…
…11101011101001001
31102202202212211002002
431333100331131021
5221230113214340
610522231520345
71041132232622
oct157720753511
942682784062
1015020054345
11640847a15a
122ab22290b5
131554a4b12a
14a26b64a49
155cd976715
hex37f43d749

15020054345 has 8 divisors (see below), whose sum is σ = 18075712200. Its totient is φ = 11981612160.

The previous prime is 15020054341. The next prime is 15020054347. The reversal of 15020054345 is 54345002051.

It can be written as a sum of positive squares in 4 ways, for example, as 191877904 + 14828176441 = 13852^2 + 121771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15020054345 - 22 = 15020054341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15020054341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301996 + ... + 4305485.

It is an arithmetic number, because the mean of its divisors is an integer number (2259464025).

Almost surely, 215020054345 is an apocalyptic number.

It is an amenable number.

15020054345 is a deficient number, since it is larger than the sum of its proper divisors (3055657855).

15020054345 is an equidigital number, since it uses as much as digits as its factorization.

15020054345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8607835.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 15020054345 its reverse (54345002051), we get a palindrome (69365056396).

The spelling of 15020054345 in words is "fifteen billion, twenty million, fifty-four thousand, three hundred forty-five".

Divisors: 1 5 349 1745 8607481 43037405 3004010869 15020054345