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2124129443 = 8338965789
BaseRepresentation
bin111111010011011…
…1010010010100011
312111000220221210212
41332212322102203
513322234120233
6550435244335
7103431542132
oct17646722243
95430827725
102124129443
119a0019987
124b34496ab
1327b0b8a37
1416216b919
15c6731a48
hex7e9ba4a3

2124129443 has 8 divisors (see below), whose sum is σ = 2155280400. Its totient is φ = 2093111008.

The previous prime is 2124129431. The next prime is 2124129467. The reversal of 2124129443 is 3449214212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2124129443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124129043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608 + ... + 65181.

It is an arithmetic number, because the mean of its divisors is an integer number (269410050).

Almost surely, 22124129443 is an apocalyptic number.

2124129443 is a deficient number, since it is larger than the sum of its proper divisors (31150957).

2124129443 is an equidigital number, since it uses as much as digits as its factorization.

2124129443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66261.

The product of its digits is 13824, while the sum is 32.

The square root of 2124129443 is about 46088.2788027498. The cubic root of 2124129443 is about 1285.4652068636.

The spelling of 2124129443 in words is "two billion, one hundred twenty-four million, one hundred twenty-nine thousand, four hundred forty-three".

Divisors: 1 83 389 32287 65789 5460487 25591921 2124129443