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12444001013402 = 2719253118483587
BaseRepresentation
bin1011010100010101100001…
…0000101000111010011010
31122001122010211022112212022
42311011120100220322122
53112340303224412102
642244410052414442
72423022642241310
oct265053020507232
948048124275768
1012444001013402
113a68520180892
12148b892917422
136c3605c9821a
143104158880b0
15168a6c6c65a2
hexb5158428e9a

12444001013402 has 32 divisors (see below), whose sum is σ = 22464213511680. Its totient is φ = 5050455038640.

The previous prime is 12444001013401. The next prime is 12444001013453. The reversal of 12444001013402 is 20431010044421.

It is a super-2 number, since 2×124440010134022 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12444001013401) 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 15 ways as a sum of consecutive naturals, for example, 8568548 + ... + 9915039.

It is an arithmetic number, because the mean of its divisors is an integer number (702006672240).

Almost surely, 212444001013402 is an apocalyptic number.

12444001013402 is a deficient number, since it is larger than the sum of its proper divisors (10020212498278).

12444001013402 is a wasteful number, since it uses less digits than its factorization.

12444001013402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18486146.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12444001013402 its reverse (20431010044421), we get a palindrome (32875011057823).

The spelling of 12444001013402 in words is "twelve trillion, four hundred forty-four billion, one million, thirteen thousand, four hundred two".

Divisors: 1 2 7 14 19 38 133 266 2531 5062 17717 35434 48089 96178 336623 673246 18483587 36967174 129385109 258770218 351188153 702376306 2458317071 4916634142 46781958697 93563917394 327473710879 654947421758 888857215243 1777714430486 6222000506701 12444001013402