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130232101 = 313416077
BaseRepresentation
bin1111100001100…
…10111100100101
3100002001110212011
413300302330211
5231314411401
620531154221
73140645266
oct760627445
9302043764
10130232101
116757033a
1237745971
1320c9a31c
141342096d
15b677451
hex7c32f25

130232101 has 4 divisors (see below), whose sum is σ = 130648492. Its totient is φ = 129815712.

The previous prime is 130232093. The next prime is 130232129. The reversal of 130232101 is 101232031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101232031 = 472153873.

It can be written as a sum of positive squares in 2 ways, for example, as 27311076 + 102921025 = 5226^2 + 10145^2 .

It is a cyclic number.

It is not a de Polignac number, because 130232101 - 23 = 130232093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130233101) 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, 207726 + ... + 208351.

It is an arithmetic number, because the mean of its divisors is an integer number (32662123).

Almost surely, 2130232101 is an apocalyptic number.

It is an amenable number.

130232101 is a deficient number, since it is larger than the sum of its proper divisors (416391).

130232101 is an equidigital number, since it uses as much as digits as its factorization.

130232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416390.

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

The square root of 130232101 is about 11411.9280141438. The cubic root of 130232101 is about 506.8810038348.

Adding to 130232101 its reverse (101232031), we get a palindrome (231464132).

The spelling of 130232101 in words is "one hundred thirty million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 313 416077 130232101