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130026001 = 718575143
BaseRepresentation
bin1111100000000…
…00101000010001
3100001200000010211
413300000220101
5231241313001
620522524121
73136126360
oct760005021
9301600124
10130026001
116743a506
1237666641
1320c27581
14133a97d7
15b636351
hex7c00a11

130026001 has 4 divisors (see below), whose sum is σ = 148601152. Its totient is φ = 111450852.

The previous prime is 130025993. The next prime is 130026011. The reversal of 130026001 is 100620031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130026001 - 23 = 130025993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130026011) 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, 9287565 + ... + 9287578.

It is an arithmetic number, because the mean of its divisors is an integer number (37150288).

Almost surely, 2130026001 is an apocalyptic number.

It is an amenable number.

130026001 is a deficient number, since it is larger than the sum of its proper divisors (18575151).

130026001 is an equidigital number, since it uses as much as digits as its factorization.

130026001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18575150.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130026001 is about 11402.8944132619. The cubic root of 130026001 is about 506.6134729377.

Adding to 130026001 its reverse (100620031), we get a palindrome (230646032).

The spelling of 130026001 in words is "one hundred thirty million, twenty-six thousand, one".

Divisors: 1 7 18575143 130026001