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100232101 = 421238081
BaseRepresentation
bin1011111100101…
…10101110100101
320222121022121001
411332112232211
5201124411401
613540153301
72324646604
oct576265645
9228538531
10100232101
115163a952
1229698831
13179c5348
14d451a3b
158bed601
hex5f96ba5

100232101 has 4 divisors (see below), whose sum is σ = 100470604. Its totient is φ = 99993600.

The previous prime is 100232053. The next prime is 100232107. The reversal of 100232101 is 101232001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7128900 + 93103201 = 2670^2 + 9649^2 .

It is a cyclic number.

It is not a de Polignac number, because 100232101 - 219 = 99707813 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 (100232107) 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 in 3 ways as a sum of consecutive naturals, for example, 118620 + ... + 119461.

It is an arithmetic number, because the mean of its divisors is an integer number (25117651).

Almost surely, 2100232101 is an apocalyptic number.

It is an amenable number.

100232101 is a deficient number, since it is larger than the sum of its proper divisors (238503).

100232101 is an equidigital number, since it uses as much as digits as its factorization.

100232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238502.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100232101 is about 10011.5983239441. The cubic root of 100232101 is about 464.5177116929.

Adding to 100232101 its reverse (101232001), we get a palindrome (201464102).

The spelling of 100232101 in words is "one hundred million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 421 238081 100232101