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2300668644 = 223191722387
BaseRepresentation
bin1000100100100001…
…0110101011100100
312221100010002001210
42021020112223210
514202432344034
61020143151420
7111004234521
oct21110265344
95840102053
102300668644
11a8073844a
125425a5570
132a884a5c1
1417b7a4148
15d6ea48e9
hex89216ae4

2300668644 has 12 divisors (see below), whose sum is σ = 5368226864. Its totient is φ = 766889544.

The previous prime is 2300668631. The next prime is 2300668693. The reversal of 2300668644 is 4468660032.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95861182 + ... + 95861205.

Almost surely, 22300668644 is an apocalyptic number.

It is an amenable number.

2300668644 is an abundant number, since it is smaller than the sum of its proper divisors (3067558220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2300668644 is a wasteful number, since it uses less digits than its factorization.

2300668644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191722394 (or 191722392 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 2300668644 is about 47965.2858221443. The cubic root of 2300668644 is about 1320.1340244999.

The spelling of 2300668644 in words is "two billion, three hundred million, six hundred sixty-eight thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 191722387 383444774 575167161 766889548 1150334322 2300668644