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11244557779 = 721337477091
BaseRepresentation
bin10100111100011101…
…00101010111010011
31002000122121201102221
422132032211113103
5141012101322104
65055441521511
7545436110200
oct123616452723
932018551387
1011244557779
114850294764
122219943297
1310a27b2bb0
14789570ca7
1545c29ac54
hex29e3a55d3

11244557779 has 24 divisors (see below), whose sum is σ = 14467337808. Its totient is φ = 8656320960.

The previous prime is 11244557729. The next prime is 11244557803. The reversal of 11244557779 is 97775544211.

It is not a de Polignac number, because 11244557779 - 27 = 11244557651 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11244557729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214977 + ... + 262114.

It is an arithmetic number, because the mean of its divisors is an integer number (602805742).

Almost surely, 211244557779 is an apocalyptic number.

11244557779 is a deficient number, since it is larger than the sum of its proper divisors (3222780029).

11244557779 is a wasteful number, since it uses less digits than its factorization.

11244557779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477155 (or 477148 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 52.

The spelling of 11244557779 in words is "eleven billion, two hundred forty-four million, five hundred fifty-seven thousand, seven hundred seventy-nine".

Divisors: 1 7 13 37 49 91 259 481 637 1813 3367 23569 477091 3339637 6202183 17652367 23377459 43415281 123566569 229480771 303906967 864965983 1606365397 11244557779