Search a number
-
+
23100310221 = 316694613603
BaseRepresentation
bin10101100000111000…
…101100001011001101
32012121220022100100020
4111200320230023031
5334302134411341
614340115452353
71445306253132
oct254070541315
965556270306
1023100310221
119884582a7a
1245882b70b9
132241ab0c21
141191d60589
15903026566
hex560e2c2cd

23100310221 has 8 divisors (see below), whose sum is σ = 30818874720. Its totient is φ = 15390976272.

The previous prime is 23100310201. The next prime is 23100310223. The reversal of 23100310221 is 12201300132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23100310221 - 29 = 23100309709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23100310221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100310223) 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, 2301795 + ... + 2311808.

It is an arithmetic number, because the mean of its divisors is an integer number (3852359340).

Almost surely, 223100310221 is an apocalyptic number.

It is an amenable number.

23100310221 is a deficient number, since it is larger than the sum of its proper divisors (7718564499).

23100310221 is a wasteful number, since it uses less digits than its factorization.

23100310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615275.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23100310221 its reverse (12201300132), we get a palindrome (35301610353).

The spelling of 23100310221 in words is "twenty-three billion, one hundred million, three hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 1669 5007 4613603 13840809 7700103407 23100310221