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1201401244 = 22535666987
BaseRepresentation
bin100011110011011…
…1110110110011100
310002201122111200101
41013212332312130
54430024314434
6315114110444
741525512351
oct10746766634
93081574611
101201401244
1156718359a
1229641b424
13161b95214
14b57b6628
1570715b14
hex479bed9c

1201401244 has 12 divisors (see below), whose sum is σ = 2142121464. Its totient is φ = 589366544.

The previous prime is 1201401119. The next prime is 1201401287. The reversal of 1201401244 is 4421041021.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2833282 + ... + 2833705.

It is an arithmetic number, because the mean of its divisors is an integer number (178510122).

Almost surely, 21201401244 is an apocalyptic number.

It is an amenable number.

1201401244 is a deficient number, since it is larger than the sum of its proper divisors (940720220).

1201401244 is a wasteful number, since it uses less digits than its factorization.

1201401244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667044 (or 5667042 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1201401244 is about 34661.2354655745. The cubic root of 1201401244 is about 1063.0720316083.

Adding to 1201401244 its reverse (4421041021), we get a palindrome (5622442265).

The spelling of 1201401244 in words is "one billion, two hundred one million, four hundred one thousand, two hundred forty-four".

Divisors: 1 2 4 53 106 212 5666987 11333974 22667948 300350311 600700622 1201401244