Search a number
-
+
130152545 = 526030509
BaseRepresentation
bin1111100000111…
…11100001100001
3100001220102201122
413300133201201
5231304340140
620525342025
73140164325
oct760374141
9301812648
10130152545
1167516596
1237707915
1320c70053
14133dd985
15b65dab5
hex7c1f861

130152545 has 4 divisors (see below), whose sum is σ = 156183060. Its totient is φ = 104122032.

The previous prime is 130152509. The next prime is 130152559. The reversal of 130152545 is 545251031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545251031 = 1341942387.

It can be written as a sum of positive squares in 2 ways, for example, as 42393121 + 87759424 = 6511^2 + 9368^2 .

It is a cyclic number.

It is not a de Polignac number, because 130152545 - 212 = 130148449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13015250 + ... + 13015259.

It is an arithmetic number, because the mean of its divisors is an integer number (39045765).

Almost surely, 2130152545 is an apocalyptic number.

It is an amenable number.

130152545 is a deficient number, since it is larger than the sum of its proper divisors (26030515).

130152545 is an equidigital number, since it uses as much as digits as its factorization.

130152545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26030514.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 130152545 is about 11408.4418305043. The cubic root of 130152545 is about 506.7777685625. Note that the first 4 decimals are identical.

The spelling of 130152545 in words is "one hundred thirty million, one hundred fifty-two thousand, five hundred forty-five".

Divisors: 1 5 26030509 130152545