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130514143 = 532462531
BaseRepresentation
bin1111100011101…
…11110011011111
3100002120210202011
413301313303133
5231402423033
620541212051
73143231464
oct761676337
9302523664
10130514143
1167743231
1237861027
1321068806
141349566b
15b6d0ccd
hex7c77cdf

130514143 has 4 divisors (see below), whose sum is σ = 132976728. Its totient is φ = 128051560.

The previous prime is 130514129. The next prime is 130514177. The reversal of 130514143 is 341415031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341415031 = 510166931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130514143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130514243) 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, 1231213 + ... + 1231318.

It is an arithmetic number, because the mean of its divisors is an integer number (33244182).

Almost surely, 2130514143 is an apocalyptic number.

130514143 is a deficient number, since it is larger than the sum of its proper divisors (2462585).

130514143 is an equidigital number, since it uses as much as digits as its factorization.

130514143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462584.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 130514143 is about 11424.2786643184. The cubic root of 130514143 is about 507.2466552410.

Adding to 130514143 its reverse (341415031), we get a palindrome (471929174).

The spelling of 130514143 in words is "one hundred thirty million, five hundred fourteen thousand, one hundred forty-three".

Divisors: 1 53 2462531 130514143