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130152703 = 279146633
BaseRepresentation
bin1111100000111…
…11100011111111
3100001220102221111
413300133203333
5231304341303
620525342451
73140164642
oct760374377
9301812844
10130152703
116751671a
1237707a27
1320c70145
14133dda59
15b65db6d
hex7c1f8ff

130152703 has 4 divisors (see below), whose sum is σ = 130202128. Its totient is φ = 130103280.

The previous prime is 130152689. The next prime is 130152707. The reversal of 130152703 is 307251031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307251031 = 1618918979.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130152703 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130152707) 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, 20526 + ... + 26107.

It is an arithmetic number, because the mean of its divisors is an integer number (32550532).

Almost surely, 2130152703 is an apocalyptic number.

130152703 is a deficient number, since it is larger than the sum of its proper divisors (49425).

130152703 is an equidigital number, since it uses as much as digits as its factorization.

130152703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49424.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 130152703 is about 11408.4487551989. The cubic root of 130152703 is about 506.7779736317. Note that the first 3 decimals are identical.

The spelling of 130152703 in words is "one hundred thirty million, one hundred fifty-two thousand, seven hundred three".

Divisors: 1 2791 46633 130152703