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1311104244 = 223109258687
BaseRepresentation
bin100111000100101…
…1101110011110100
310101101001222220110
41032021131303310
510141120313434
6334033303020
744330126232
oct11611356364
93341058813
101311104244
116130a202a
12307104a70
1317b825338
14c61b1952
157a1854e9
hex4e25dcf4

1311104244 has 12 divisors (see below), whose sum is σ = 3059243264. Its totient is φ = 437034744.

The previous prime is 1311104231. The next prime is 1311104317. The reversal of 1311104244 is 4424011131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1311104244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54629332 + ... + 54629355.

Almost surely, 21311104244 is an apocalyptic number.

It is an amenable number.

1311104244 is an abundant number, since it is smaller than the sum of its proper divisors (1748139020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311104244 is a wasteful number, since it uses less digits than its factorization.

1311104244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109258694 (or 109258692 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1311104244 is about 36209.1734785537. The cubic root of 1311104244 is about 1094.4915368305.

Adding to 1311104244 its reverse (4424011131), we get a palindrome (5735115375).

The spelling of 1311104244 in words is "one billion, three hundred eleven million, one hundred four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 109258687 218517374 327776061 437034748 655552122 1311104244