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2189437930190 = 25731277684717
BaseRepresentation
bin11111110111000100101…
…010111000101011001110
321202022022200201210111202
4133313010222320223032
5241332432102231230
64353451445145502
7314116212225440
oct37670452705316
97668280653452
102189437930190
117745986a6675
122b43b23bb292
1312b6035baba4
1477d7dcda490
153be44069a45
hex1fdc4ab8ace

2189437930190 has 16 divisors (see below), whose sum is σ = 4503986599392. Its totient is φ = 750664433184.

The previous prime is 2189437930157. The next prime is 2189437930213. The reversal of 2189437930190 is 910397349812.

It is a super-2 number, since 2×21894379301902 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 15638842289 + ... + 15638842428.

It is an arithmetic number, because the mean of its divisors is an integer number (281499162462).

Almost surely, 22189437930190 is an apocalyptic number.

2189437930190 is an abundant number, since it is smaller than the sum of its proper divisors (2314548669202).

2189437930190 is a wasteful number, since it uses less digits than its factorization.

2189437930190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31277684731.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 2189437930190 in words is "two trillion, one hundred eighty-nine billion, four hundred thirty-seven million, nine hundred thirty thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 31277684717 62555369434 156388423585 218943793019 312776847170 437887586038 1094718965095 2189437930190