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2320154988 = 223193346249
BaseRepresentation
bin1000101001001010…
…1100000101101100
312222200210002022020
42022102230011230
514222424424423
61022120550140
7111331664154
oct21222540554
95880702266
102320154988
11a90737868
12549022350
132ac8b0c98
141801d7764
15d8a534e3
hex8a4ac16c

2320154988 has 12 divisors (see below), whose sum is σ = 5413695000. Its totient is φ = 773384992.

The previous prime is 2320154987. The next prime is 2320155023. The reversal of 2320154988 is 8894510232.

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

It is not an unprimeable number, because it can be changed into a prime (2320154987) by changing a digit.

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, 96673113 + ... + 96673136.

It is an arithmetic number, because the mean of its divisors is an integer number (451141250).

Almost surely, 22320154988 is an apocalyptic number.

It is an amenable number.

2320154988 is an abundant number, since it is smaller than the sum of its proper divisors (3093540012).

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

2320154988 is a wasteful number, since it uses less digits than its factorization.

2320154988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193346256 (or 193346254 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2320154988 is about 48167.9871699036. The cubic root of 2320154988 is about 1323.8506683164.

The spelling of 2320154988 in words is "two billion, three hundred twenty million, one hundred fifty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 193346249 386692498 580038747 773384996 1160077494 2320154988