Search a number
-
+
14428428940 = 225721421447
BaseRepresentation
bin11010111000000000…
…00101101010001100
31101020112122010121001
431130000011222030
5214022134211230
610343415150044
71020356423332
oct153400055214
941215563531
1014428428940
116134521242
122968075324
13148c2c5323
149ac35bb52
15596a600ca
hex35c005a8c

14428428940 has 12 divisors (see below), whose sum is σ = 30299700816. Its totient is φ = 5771371568.

The previous prime is 14428428923. The next prime is 14428428961. The reversal of 14428428940 is 4982482441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360710704 + ... + 360710743.

It is an arithmetic number, because the mean of its divisors is an integer number (2524975068).

Almost surely, 214428428940 is an apocalyptic number.

14428428940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14428428940 is an abundant number, since it is smaller than the sum of its proper divisors (15871271876).

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

14428428940 is a wasteful number, since it uses less digits than its factorization.

14428428940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721421456 (or 721421454 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 14428428940 in words is "fourteen billion, four hundred twenty-eight million, four hundred twenty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 721421447 1442842894 2885685788 3607107235 7214214470 14428428940