Search a number
-
+
100232101301221 = 457853257123401
BaseRepresentation
bin10110110010100100011010…
…110010110000101111100101
3111010220002120110212021112101
4112302210122302300233211
5101114200320413114341
6553101554111052101
730053346623511601
oct2662443262605745
9433802513767471
10100232101301221
1129a3421715908a
12b2a979bb11031
1343c0b00c823c6
141aa738c446501
15b8c401090831
hex5b291acb0be5

100232101301221 has 8 divisors (see below), whose sum is σ = 100569190471064. Its totient is φ = 99895526380800.

The previous prime is 100232101301219. The next prime is 100232101301257. The reversal of 100232101301221 is 122103101232001.

It can be written as a sum of positive squares in 4 ways, for example, as 2189304100 + 100229911997121 = 46790^2 + 10011489^2 .

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 100232101301221 - 21 = 100232101301219 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 (100232101301201) 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, 128171880 + ... + 128951521.

It is an arithmetic number, because the mean of its divisors is an integer number (12571148808883).

Almost surely, 2100232101301221 is an apocalyptic number.

It is an amenable number.

100232101301221 is a deficient number, since it is larger than the sum of its proper divisors (337089169843).

100232101301221 is an equidigital number, since it uses as much as digits as its factorization.

100232101301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257124711.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 100232101301221 its reverse (122103101232001), we get a palindrome (222335202533222).

The spelling of 100232101301221 in words is "one hundred trillion, two hundred thirty-two billion, one hundred one million, three hundred one thousand, two hundred twenty-one".

Divisors: 1 457 853 389821 257123401 117505394257 219326261053 100232101301221