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1215414313023 = 3405138104341
BaseRepresentation
bin10001101011111100010…
…101101010000000111111
311022012012022110100021210
4101223330111222000333
5124403132031004043
62330204214455503
7153545046126111
oct21537425520077
94265168410253
101215414313023
114294aa76a669
1217767b964593
138a7c7c170a1
1442b7d79b3b1
152193808e633
hex11afc56a03f

1215414313023 has 4 divisors (see below), whose sum is σ = 1620552417368. Its totient is φ = 810276208680.

The previous prime is 1215414312971. The next prime is 1215414313031. The reversal of 1215414313023 is 3203134145121.

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

It is not a de Polignac number, because 1215414313023 - 210 = 1215414311999 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 (1215414313073) 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, 202569052168 + ... + 202569052173.

It is an arithmetic number, because the mean of its divisors is an integer number (405138104342).

Almost surely, 21215414313023 is an apocalyptic number.

1215414313023 is a deficient number, since it is larger than the sum of its proper divisors (405138104345).

1215414313023 is an equidigital number, since it uses as much as digits as its factorization.

1215414313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405138104344.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1215414313023 its reverse (3203134145121), we get a palindrome (4418548458144).

The spelling of 1215414313023 in words is "one trillion, two hundred fifteen billion, four hundred fourteen million, three hundred thirteen thousand, twenty-three".

Divisors: 1 3 405138104341 1215414313023