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2780252803055 = 57136110445721
BaseRepresentation
bin101000011101010011111…
…110110000111111101111
3100211210022121011001022002
4220131103332300333233
5331022424204144210
65525121442242515
7404603153621240
oct50352376607757
910753277131262
102780252803055
1198210a254202
1238a9b905643b
1317223b31a610
14987ca338cc7
154c4c283d4a5
hex28753fb0fef

2780252803055 has 16 divisors (see below), whose sum is σ = 4106219525184. Its totient is φ = 1759808367360.

The previous prime is 2780252803049. The next prime is 2780252803109. The reversal of 2780252803055 is 5503082520872.

It is not a de Polignac number, because 2780252803055 - 232 = 2775957835759 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3055222406 + ... + 3055223315.

It is an arithmetic number, because the mean of its divisors is an integer number (256638720324).

Almost surely, 22780252803055 is an apocalyptic number.

2780252803055 is a deficient number, since it is larger than the sum of its proper divisors (1325966722129).

2780252803055 is a wasteful number, since it uses less digits than its factorization.

2780252803055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110445746.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 2780252803055 in words is "two trillion, seven hundred eighty billion, two hundred fifty-two million, eight hundred three thousand, fifty-five".

Divisors: 1 5 7 13 35 65 91 455 6110445721 30552228605 42773120047 79435794373 213865600235 397178971865 556050560611 2780252803055