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2331643340 = 225138967859
BaseRepresentation
bin1000101011111010…
…0000110111001100
320000111101202100202
42022332200313030
514233400041330
61023211113032
7111531432665
oct21276406714
96014352322
102331643340
11a97174174
12550a42778
132b20a4120
1418194836c
15d9a72445
hex8afa0dcc

2331643340 has 24 divisors (see below), whose sum is σ = 5273101680. Its totient is φ = 860914368.

The previous prime is 2331643339. The next prime is 2331643403. The reversal of 2331643340 is 433461332.

It is a happy number.

2331643340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4483670 + ... + 4484189.

It is an arithmetic number, because the mean of its divisors is an integer number (219712570).

Almost surely, 22331643340 is an apocalyptic number.

2331643340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331643340 is an abundant number, since it is smaller than the sum of its proper divisors (2941458340).

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

2331643340 is a wasteful number, since it uses less digits than its factorization.

2331643340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967881 (or 8967879 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 2331643340 is about 48287.0928924076. The cubic root of 2331643340 is about 1326.0321071889.

The spelling of 2331643340 in words is "two billion, three hundred thirty-one million, six hundred forty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8967859 17935718 35871436 44839295 89678590 116582167 179357180 233164334 466328668 582910835 1165821670 2331643340