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2128982074 = 22373634003
BaseRepresentation
bin111111011100101…
…1011000000111010
312111101001111100221
41332321123000322
513330004411244
6551131250254
7103521022552
oct17671330072
95441044327
102128982074
119a283381a
124b4ba998a
1327c0c770b
14162a72162
15c6d8e784
hex7ee5b03a

2128982074 has 16 divisors (see below), whose sum is σ = 3377973312. Its totient is φ = 1004259168.

The previous prime is 2128982059. The next prime is 2128982099. The reversal of 2128982074 is 4702898212.

It is a self number, because there is not a number n which added to its sum of digits gives 2128982074.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313644 + ... + 320359.

It is an arithmetic number, because the mean of its divisors is an integer number (211123332).

Almost surely, 22128982074 is an apocalyptic number.

2128982074 is a deficient number, since it is larger than the sum of its proper divisors (1248991238).

2128982074 is a wasteful number, since it uses less digits than its factorization.

2128982074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634101.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 2128982074 is about 46140.8937277986. The cubic root of 2128982074 is about 1286.4433556835.

The spelling of 2128982074 in words is "two billion, one hundred twenty-eight million, nine hundred eighty-two thousand, seventy-four".

Divisors: 1 2 23 46 73 146 1679 3358 634003 1268006 14582069 29164138 46282219 92564438 1064491037 2128982074