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1253131814 = 211196534591
BaseRepresentation
bin100101010110001…
…0100011000100110
310020022222200200102
41022230110120212
510031300204224
6324202544102
743024305344
oct11254243046
93208880612
101253131814
115933a6530
122ab808032
1316c80821c
14bc600994
15750334ae
hex4ab14626

1253131814 has 32 divisors (see below), whose sum is σ = 2162280960. Its totient is φ = 538682400.

The previous prime is 1253131811. The next prime is 1253131819. The reversal of 1253131814 is 4181313521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253131811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270659 + ... + 275249.

It is an arithmetic number, because the mean of its divisors is an integer number (67571280).

Almost surely, 21253131814 is an apocalyptic number.

1253131814 is a deficient number, since it is larger than the sum of its proper divisors (909149146).

1253131814 is a wasteful number, since it uses less digits than its factorization.

1253131814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276.

The product of its digits is 2880, while the sum is 29.

The square root of 1253131814 is about 35399.6018904168. The cubic root of 1253131814 is about 1078.1162332231.

The spelling of 1253131814 in words is "one billion, two hundred fifty-three million, one hundred thirty-one thousand, eight hundred fourteen".

Divisors: 1 2 11 19 22 38 209 418 653 1306 4591 7183 9182 12407 14366 24814 50501 87229 101002 136477 174458 272954 959519 1919038 2997923 5995846 32977153 56960537 65954306 113921074 626565907 1253131814