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2189115802 = 21098799623
BaseRepresentation
bin1000001001111011…
…0100000110011010
312122120012121100001
42002132310012122
513440403201202
61001120203214
7105151114546
oct20236640632
95576177301
102189115802
11a23776115
1251116950a
1328b6c04c3
1416aa46a26
15cc2bbd87
hex827b419a

2189115802 has 8 divisors (see below), whose sum is σ = 3284005536. Its totient is φ = 1094447292.

The previous prime is 2189115793. The next prime is 2189115821. The reversal of 2189115802 is 2085119812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21891158022 = 9584455989132206408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27838 + ... + 71785.

It is an arithmetic number, because the mean of its divisors is an integer number (410500692).

Almost surely, 22189115802 is an apocalyptic number.

2189115802 is a deficient number, since it is larger than the sum of its proper divisors (1094889734).

2189115802 is a wasteful number, since it uses less digits than its factorization.

2189115802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110612.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 2189115802 is about 46787.9877960145. The cubic root of 2189115802 is about 1298.4430674600.

The spelling of 2189115802 in words is "two billion, one hundred eighty-nine million, one hundred fifteen thousand, eight hundred two".

Divisors: 1 2 10987 21974 99623 199246 1094557901 2189115802