Search a number
-
+
23420340100001 = 131801564623077
BaseRepresentation
bin1010101001100111110010…
…00011010101101110100001
310001220221222202210021211202
411110303321003111232201
511032204324031200001
6121451053344450545
74635030601126055
oct524637103255641
9101827882707752
1023420340100001
11750a568468309
122763028619a55
13100b6b44278b0
145ad79c84dc65
152a933ba1e96b
hex154cf90d5ba1

23420340100001 has 4 divisors (see below), whose sum is σ = 25221904723092. Its totient is φ = 21618775476912.

The previous prime is 23420340099971. The next prime is 23420340100009. The reversal of 23420340100001 is 10000104302432.

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 15119032422400 + 8301307677601 = 3888320^2 + 2881199^2 .

It is a cyclic number.

It is not a de Polignac number, because 23420340100001 - 218 = 23420339837857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23420340100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900782311526 + ... + 900782311551.

It is an arithmetic number, because the mean of its divisors is an integer number (6305476180773).

Almost surely, 223420340100001 is an apocalyptic number.

It is an amenable number.

23420340100001 is a deficient number, since it is larger than the sum of its proper divisors (1801564623091).

23420340100001 is a wasteful number, since it uses less digits than its factorization.

23420340100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801564623090.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23420340100001 its reverse (10000104302432), we get a palindrome (33420444402433).

The spelling of 23420340100001 in words is "twenty-three trillion, four hundred twenty billion, three hundred forty million, one hundred thousand, one".

Divisors: 1 13 1801564623077 23420340100001