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27453056444 = 2211271978889
BaseRepresentation
bin11001100100010101…
…000110010110111100
32121212020202202122022
4121210111012112330
5422210440301234
620340050135312
71661212062302
oct314425062674
977766682568
1027453056444
1110708597700
1253a1b81538
13278680a7c8
141486098272
15aaa228e2e
hex6645465bc

27453056444 has 36 divisors (see below), whose sum is σ = 52881544800. Its totient is φ = 12461148480.

The previous prime is 27453056431. The next prime is 27453056467. The reversal of 27453056444 is 44465035472.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 27453056395 and 27453056404.

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 11 ways as a sum of consecutive naturals, for example, 308552 + ... + 387440.

It is an arithmetic number, because the mean of its divisors is an integer number (1468931800).

Almost surely, 227453056444 is an apocalyptic number.

It is an amenable number.

27453056444 is a deficient number, since it is larger than the sum of its proper divisors (25428488356).

27453056444 is a wasteful number, since it uses less digits than its factorization.

27453056444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79634 (or 79621 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 44.

The spelling of 27453056444 in words is "twenty-seven billion, four hundred fifty-three million, fifty-six thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 121 242 484 719 1438 2876 7909 15818 31636 78889 86999 157778 173998 315556 347996 867779 1735558 3471116 9545569 19091138 38182276 56721191 113442382 226884764 623933101 1247866202 2495732404 6863264111 13726528222 27453056444