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2890505555 = 57229360637
BaseRepresentation
bin1010110001001001…
…1001110101010011
321110102222220012022
42230102121311103
521404432134210
61154453322055
7131425614620
oct25422316523
97412886168
102890505555
111253684673
1268803632b
13370ac8322
141d5c63347
1511db66155
hexac499d53

2890505555 has 16 divisors (see below), whose sum is σ = 3981443520. Its totient is φ = 1973400192.

The previous prime is 2890505551. The next prime is 2890505633. The reversal of 2890505555 is 5555050982.

2890505555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2890505555 - 22 = 2890505551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2890505551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172304 + ... + 188333.

It is an arithmetic number, because the mean of its divisors is an integer number (248840220).

Almost surely, 22890505555 is an apocalyptic number.

2890505555 is a deficient number, since it is larger than the sum of its proper divisors (1090937965).

2890505555 is a wasteful number, since it uses less digits than its factorization.

2890505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360878.

The product of its (nonzero) digits is 450000, while the sum is 44.

The square root of 2890505555 is about 53763.4220916043. The cubic root of 2890505555 is about 1424.4851826578.

The spelling of 2890505555 in words is "two billion, eight hundred ninety million, five hundred five thousand, five hundred fifty-five".

Divisors: 1 5 7 35 229 1145 1603 8015 360637 1803185 2524459 12622295 82585873 412929365 578101111 2890505555