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2090776457 = 711101268841
BaseRepresentation
bin111110010011110…
…1011011110001001
312101201011110010002
41330213223132021
513240214321312
6543244332345
7102545210120
oct17447533611
95351143102
102090776457
11983209330
124a42440b5
1327420b843
1415b968ab7
15c38444c2
hex7c9eb789

2090776457 has 16 divisors (see below), whose sum is σ = 2632500864. Its totient is φ = 1613040000.

The previous prime is 2090776421. The next prime is 2090776517. The reversal of 2090776457 is 7546770902.

It is not a de Polignac number, because 2090776457 - 26 = 2090776393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090776157) 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, 126644 + ... + 142197.

It is an arithmetic number, because the mean of its divisors is an integer number (164531304).

Almost surely, 22090776457 is an apocalyptic number.

It is an amenable number.

2090776457 is a deficient number, since it is larger than the sum of its proper divisors (541724407).

2090776457 is a wasteful number, since it uses less digits than its factorization.

2090776457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268960.

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 2090776457 is about 45725.0090978668. The cubic root of 2090776457 is about 1278.7015757878.

The spelling of 2090776457 in words is "two billion, ninety million, seven hundred seventy-six thousand, four hundred fifty-seven".

Divisors: 1 7 11 77 101 707 1111 7777 268841 1881887 2957251 20700757 27152941 190070587 298682351 2090776457