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130391483 = 157877947
BaseRepresentation
bin1111100010110…
…01110110111011
3100002100120111012
413301121312323
5231340011413
620534424135
73142211045
oct761316673
9302316435
10130391483
116766a062
123780204b
1321024a31
1413462a95
15b6a97a8
hex7c59dbb

130391483 has 8 divisors (see below), whose sum is σ = 131510352. Its totient is φ = 129276576.

The previous prime is 130391477. The next prime is 130391519. The reversal of 130391483 is 384193031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 130391483 - 26 = 130391419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130391413) 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, 137216 + ... + 138162.

It is an arithmetic number, because the mean of its divisors is an integer number (16438794).

Almost surely, 2130391483 is an apocalyptic number.

130391483 is a deficient number, since it is larger than the sum of its proper divisors (1118869).

130391483 is an equidigital number, since it uses as much as digits as its factorization.

130391483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 130391483 is about 11418.9090109345. The cubic root of 130391483 is about 507.0876983264.

The spelling of 130391483 in words is "one hundred thirty million, three hundred ninety-one thousand, four hundred eighty-three".

Divisors: 1 157 877 947 137689 148679 830519 130391483