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12494244578144 = 257291923375089
BaseRepresentation
bin1011010111010000101100…
…0000101000001101100000
31122020102211101110002111112
42311310023000220031200
53114201203103000034
642323435434402452
72426452012424330
oct265641300501540
948212741402445
1012494244578144
113a8786338170a
121499575290428
136c82823364a4
14312a2069b0c0
1516a00d62d7ce
hexb5d0b028360

12494244578144 has 48 divisors (see below), whose sum is σ = 29081431360800. Its totient is φ = 5170032236544.

The previous prime is 12494244578131. The next prime is 12494244578161. The reversal of 12494244578144 is 44187544249421.

It is a super-2 number, since 2×124942445781442 (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 961681049 + ... + 961694040.

It is an arithmetic number, because the mean of its divisors is an integer number (605863153350).

Almost surely, 212494244578144 is an apocalyptic number.

12494244578144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12494244578144 is an abundant number, since it is smaller than the sum of its proper divisors (16587186782656).

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

12494244578144 is a wasteful number, since it uses less digits than its factorization.

12494244578144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923375135 (or 1923375127 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 59.

The spelling of 12494244578144 in words is "twelve trillion, four hundred ninety-four billion, two hundred forty-four million, five hundred seventy-eight thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 29 32 56 58 112 116 203 224 232 406 464 812 928 1624 3248 6496 1923375089 3846750178 7693500356 13463625623 15387000712 26927251246 30774001424 53854502492 55777877581 61548002848 107709004984 111555755162 215418009968 223111510324 390445143067 430836019936 446223020648 780890286134 892446041296 1561780572268 1784892082592 3123561144536 6247122289072 12494244578144