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23144106463 = 45750643559
BaseRepresentation
bin10101100011011111…
…110000100111011111
32012201221201102111021
4111203133300213133
5334344342401323
614344322305011
71446350442022
oct254337604737
965657642437
1023144106463
1198a7276815
12459aab8167
13224aba666a
141197ac11b9
15906cc805d
hex5637f09df

23144106463 has 4 divisors (see below), whose sum is σ = 23194750480. Its totient is φ = 23093462448.

The previous prime is 23144106421. The next prime is 23144106481. The reversal of 23144106463 is 36460144132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23144106463 - 229 = 22607235551 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 (23141106463) 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, 25321323 + ... + 25322236.

It is an arithmetic number, because the mean of its divisors is an integer number (5798687620).

Almost surely, 223144106463 is an apocalyptic number.

23144106463 is a deficient number, since it is larger than the sum of its proper divisors (50644017).

23144106463 is an equidigital number, since it uses as much as digits as its factorization.

23144106463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50644016.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 23144106463 in words is "twenty-three billion, one hundred forty-four million, one hundred six thousand, four hundred sixty-three".

Divisors: 1 457 50643559 23144106463