Search a number
-
+
2111069378 = 211167574597
BaseRepresentation
bin111110111010100…
…0101110011000010
312110010100102202202
41331311011303002
513310413210003
6545251313202
7103212536135
oct17565056302
95403312682
102111069378
11993709740
124aabab802
132784953a2
1416052c21c
15c5502088
hex7dd45cc2

2111069378 has 16 divisors (see below), whose sum is σ = 3475168704. Its totient is φ = 953829360.

The previous prime is 2111069369. The next prime is 2111069419. The reversal of 2111069378 is 8739601112.

It is a super-2 number, since 2×21110693782 = 8913227837458613768, which contains 22 as substring.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 283625 + ... + 290972.

It is an arithmetic number, because the mean of its divisors is an integer number (217198044).

Almost surely, 22111069378 is an apocalyptic number.

2111069378 is a deficient number, since it is larger than the sum of its proper divisors (1364099326).

2111069378 is a wasteful number, since it uses less digits than its factorization.

2111069378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574777.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 2111069378 is about 45946.3750256753. The cubic root of 2111069378 is about 1282.8252572159.

The spelling of 2111069378 in words is "two billion, one hundred eleven million, sixty-nine thousand, three hundred seventy-eight".

Divisors: 1 2 11 22 167 334 1837 3674 574597 1149194 6320567 12641134 95957699 191915398 1055534689 2111069378