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2086580386 = 211297103863
BaseRepresentation
bin111110001011110…
…1011000010100010
312101102021021012001
41330113223002202
513233131033021
6543014354214
7102464432512
oct17427530242
95342237161
102086580386
11980902800
124a295b96a
1327339c967
1415b195842
15c32b6091
hex7c5eb0a2

2086580386 has 48 divisors (see below), whose sum is σ = 3513549312. Its totient is φ = 928477440.

The previous prime is 2086580381. The next prime is 2086580387. The reversal of 2086580386 is 6830856802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2086580381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2417391 + ... + 2418253.

It is an arithmetic number, because the mean of its divisors is an integer number (73198944).

Almost surely, 22086580386 is an apocalyptic number.

2086580386 is a deficient number, since it is larger than the sum of its proper divisors (1426968926).

2086580386 is a wasteful number, since it uses less digits than its factorization.

2086580386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 2086580386 is about 45679.1022897780. The cubic root of 2086580386 is about 1277.8455754530.

The spelling of 2086580386 in words is "two billion, eighty-six million, five hundred eighty thousand, three hundred eighty-six".

Divisors: 1 2 11 22 97 103 121 194 206 242 863 1067 1133 1726 2134 2266 9493 9991 11737 12463 18986 19982 23474 24926 83711 88889 104423 109901 167422 177778 208846 219802 920821 977779 1208911 1841642 1955558 2417822 8622233 10129031 10755569 17244466 20258062 21511138 94844563 189689126 1043290193 2086580386