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130641427 = 7157118873
BaseRepresentation
bin1111100100101…
…10111000010011
3100002211021100101
413302112320103
5231421011202
620544033231
73144301540
oct762267023
9302737311
10130641427
116781a924
1237902817
13210b1727
14134c9bc7
15b708887
hex7c96e13

130641427 has 8 divisors (see below), whose sum is σ = 150256736. Its totient is φ = 111264192.

The previous prime is 130641391. The next prime is 130641437. The reversal of 130641427 is 724146031.

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 130641427 - 215 = 130608659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130641395 and 130641404.

It is not an unprimeable number, because it can be changed into a prime (130641437) 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, 58338 + ... + 60535.

It is an arithmetic number, because the mean of its divisors is an integer number (18782092).

Almost surely, 2130641427 is an apocalyptic number.

130641427 is a deficient number, since it is larger than the sum of its proper divisors (19615309).

130641427 is a wasteful number, since it uses less digits than its factorization.

130641427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119037.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 130641427 is about 11429.8480742309. The cubic root of 130641427 is about 507.4114992044.

Adding to 130641427 its reverse (724146031), we get a palindrome (854787458).

The spelling of 130641427 in words is "one hundred thirty million, six hundred forty-one thousand, four hundred twenty-seven".

Divisors: 1 7 157 1099 118873 832111 18663061 130641427