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2316123378 = 232128673521
BaseRepresentation
bin1000101000001101…
…0011110011110010
312222102012020222100
42022003103303302
514220411422003
61021454321230
7111252503202
oct21203236362
95872166870
102316123378
11a89433858
125477b9216
132abacbc0a
1417d868402
15d8508ba3
hex8a0d3cf2

2316123378 has 12 divisors (see below), whose sum is σ = 5018267358. Its totient is φ = 772041120.

The previous prime is 2316123353. The next prime is 2316123379. The reversal of 2316123378 is 8733216132.

2316123378 is a `hidden beast` number, since 2 + 3 + 1 + 612 + 3 + 37 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1928702889 + 387420489 = 43917^2 + 19683^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2316123379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64336743 + ... + 64336778.

Almost surely, 22316123378 is an apocalyptic number.

2316123378 is an abundant number, since it is smaller than the sum of its proper divisors (2702143980).

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

2316123378 is a wasteful number, since it uses less digits than its factorization.

2316123378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128673529 (or 128673526 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2316123378 is about 48126.1194986672. The cubic root of 2316123378 is about 1323.0834287675.

The spelling of 2316123378 in words is "two billion, three hundred sixteen million, one hundred twenty-three thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 18 128673521 257347042 386020563 772041126 1158061689 2316123378