Base | Representation |
---|---|
bin | 111111100011010… |
… | …0100111000101010 |
3 | 12111121112200112220 |
4 | 1333012210320222 |
5 | 13331400233003 |
6 | 551333214510 |
7 | 103562234121 |
oct | 17706447052 |
9 | 5447480486 |
10 | 2132430378 |
11 | 9a4779561 |
12 | 4b6191436 |
13 | 27ca34130 |
14 | 1632ccab8 |
15 | c7321353 |
hex | 7f1a4e2a |
2132430378 has 32 divisors (see below), whose sum is σ = 4751308800. Its totient is φ = 633506496.
The previous prime is 2132430371. The next prime is 2132430389. The reversal of 2132430378 is 8730342312.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2132430371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469098 + ... + 473621.
It is an arithmetic number, because the mean of its divisors is an integer number (148478400).
Almost surely, 22132430378 is an apocalyptic number.
2132430378 is an abundant number, since it is smaller than the sum of its proper divisors (2618878422).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2132430378 is a wasteful number, since it uses less digits than its factorization.
2132430378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 942766.
The product of its (nonzero) digits is 24192, while the sum is 33.
The square root of 2132430378 is about 46178.2457224178. The cubic root of 2132430378 is about 1287.1375301374.
The spelling of 2132430378 in words is "two billion, one hundred thirty-two million, four hundred thirty thousand, three hundred seventy-eight".
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