Base | Representation |
---|---|
bin | 1000110111000111… |
… | …0011011010001111 |
3 | 20010202211120220010 |
4 | 2031301303122033 |
5 | 14332413034322 |
6 | 1032010324303 |
7 | 112642063332 |
oct | 21561633217 |
9 | 6122746803 |
10 | 2378643087 |
11 | 1010755837 |
12 | 564729693 |
13 | 2bba4ba22 |
14 | 187ca0619 |
15 | ddc5820c |
hex | 8dc7368f |
2378643087 has 16 divisors (see below), whose sum is σ = 3259490432. Its totient is φ = 1541838240.
The previous prime is 2378643073. The next prime is 2378643097. The reversal of 2378643087 is 7803468732.
It is not a de Polignac number, because 2378643087 - 212 = 2378638991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2378643097) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174012 + ... + 187182.
It is an arithmetic number, because the mean of its divisors is an integer number (203718152).
Almost surely, 22378643087 is an apocalyptic number.
2378643087 is a deficient number, since it is larger than the sum of its proper divisors (880847345).
2378643087 is a wasteful number, since it uses less digits than its factorization.
2378643087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14838.
The product of its (nonzero) digits is 1354752, while the sum is 48.
The square root of 2378643087 is about 48771.3346854482. The cubic root of 2378643087 is about 1334.8826666787.
The spelling of 2378643087 in words is "two billion, three hundred seventy-eight million, six hundred forty-three thousand, eighty-seven".
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