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23442121442 = 265317949557
BaseRepresentation
bin10101110101010000…
…100110001011100010
32020111201111011012002
4111311100212023202
5341002140341232
614434050004002
71456626513245
oct256520461342
966451434162
1023442121442
119a3a514893
124662876602
13229785aa9c
1411c54d925c
15923043b62
hex5754262e2

23442121442 has 8 divisors (see below), whose sum is σ = 35217032796. Its totient is φ = 11703110512.

The previous prime is 23442121441. The next prime is 23442121459. The reversal of 23442121442 is 24412124432.

It is a happy number.

23442121442 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22364903401 + 1077218041 = 149549^2 + 32821^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23442121441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8973473 + ... + 8976084.

Almost surely, 223442121442 is an apocalyptic number.

23442121442 is a deficient number, since it is larger than the sum of its proper divisors (11774911354).

23442121442 is a wasteful number, since it uses less digits than its factorization.

23442121442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17950212.

The product of its digits is 12288, while the sum is 29.

Adding to 23442121442 its reverse (24412124432), we get a palindrome (47854245874).

The spelling of 23442121442 in words is "twenty-three billion, four hundred forty-two million, one hundred twenty-one thousand, four hundred forty-two".

Divisors: 1 2 653 1306 17949557 35899114 11721060721 23442121442