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130148078 = 265074039
BaseRepresentation
bin1111100000111…
…10011011101110
3100001220012121012
413300132123232
5231304214303
620525305222
73140145314
oct760363356
9301805535
10130148078
11675131a5
1237705212
1320c6acc8
14133dc0b4
15b65c5d8
hex7c1e6ee

130148078 has 4 divisors (see below), whose sum is σ = 195222120. Its totient is φ = 65074038.

The previous prime is 130148077. The next prime is 130148087. The reversal of 130148078 is 870841031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130148077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32537018 + ... + 32537021.

It is an arithmetic number, because the mean of its divisors is an integer number (48805530).

Almost surely, 2130148078 is an apocalyptic number.

130148078 is a deficient number, since it is larger than the sum of its proper divisors (65074042).

130148078 is an equidigital number, since it uses as much as digits as its factorization.

130148078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65074041.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 130148078 is about 11408.2460527462. The cubic root of 130148078 is about 506.7719707447.

The spelling of 130148078 in words is "one hundred thirty million, one hundred forty-eight thousand, seventy-eight".

Divisors: 1 2 65074039 130148078