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1311044200023 = 31923000775439
BaseRepresentation
bin10011000101000000010…
…100101110011001010111
311122100000220221221111110
4103011000110232121113
5132440004303400043
62442141351110103
7163501616554305
oct23050024563127
94570026857443
101311044200023
114660132aa128
1219210a072333
139682822923c
1447652283275
15241837e5b33
hex1314052e657

1311044200023 has 8 divisors (see below), whose sum is σ = 1840062035200. Its totient is φ = 828027915768.

The previous prime is 1311044200021. The next prime is 1311044200079. The reversal of 1311044200023 is 3200024401131.

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

It is not a de Polignac number, because 1311044200023 - 21 = 1311044200021 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 (1311044200021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11500387663 + ... + 11500387776.

It is an arithmetic number, because the mean of its divisors is an integer number (230007754400).

Almost surely, 21311044200023 is an apocalyptic number.

1311044200023 is a deficient number, since it is larger than the sum of its proper divisors (529017835177).

1311044200023 is a wasteful number, since it uses less digits than its factorization.

1311044200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23000775461.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1311044200023 its reverse (3200024401131), we get a palindrome (4511068601154).

The spelling of 1311044200023 in words is "one trillion, three hundred eleven billion, forty-four million, two hundred thousand, twenty-three".

Divisors: 1 3 19 57 23000775439 69002326317 437014733341 1311044200023