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23114212420021 = 155452914868949
BaseRepresentation
bin1010100000101101100100…
…11010111010100110110101
310000211200211012112212102021
411100112302122322212311
511012200401334420041
6121054304514113141
74603642505566252
oct520266232724665
9100750735485367
1023114212420021
117401756363388
122713832b7b7b1
13cb8878c47758
1459ca3b984429
152a13c1406cd1
hex1505b26ba9b5

23114212420021 has 4 divisors (see below), whose sum is σ = 23114228843500. Its totient is φ = 23114195996544.

The previous prime is 23114212420007. The next prime is 23114212420037. The reversal of 23114212420021 is 12002421241132.

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 6653226978225 + 16460985441796 = 2579385^2 + 4057214^2 .

It is a cyclic number.

It is not a de Polignac number, because 23114212420021 - 29 = 23114212419509 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 (23114212420001) 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, 5879946 + ... + 8989003.

It is an arithmetic number, because the mean of its divisors is an integer number (5778557210875).

Almost surely, 223114212420021 is an apocalyptic number.

It is an amenable number.

23114212420021 is a deficient number, since it is larger than the sum of its proper divisors (16423479).

23114212420021 is a wasteful number, since it uses less digits than its factorization.

23114212420021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16423478.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 23114212420021 its reverse (12002421241132), we get a palindrome (35116633661153).

The spelling of 23114212420021 in words is "twenty-three trillion, one hundred fourteen billion, two hundred twelve million, four hundred twenty thousand, twenty-one".

Divisors: 1 1554529 14868949 23114212420021