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16371458401 = 1279512
BaseRepresentation
bin11110011111101000…
…01010000101100001
31120020221210020221011
433033310022011201
5232012043132101
611304305100521
71116462046264
oct171764120541
946227706834
1016371458401
116a41297011
12320a927741
13170ba135bc
14b14426cdb
1565c41c751
hex3cfd0a161

16371458401 has 3 divisors (see below), whose sum is σ = 16371586353. Its totient is φ = 16371330450.

The previous prime is 16371458399. The next prime is 16371458423. The reversal of 16371458401 is 10485417361.

The square root of 16371458401 is 127951.

It is a perfect power (a square), and thus also a powerful number.

16371458401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 16371458401 - 21 = 16371458399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16371458431) 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 2 ways as a sum of consecutive naturals, for example, 63976 + ... + 191926.

It is an arithmetic number, because the mean of its divisors is an integer number (5457195451).

Almost surely, 216371458401 is an apocalyptic number.

16371458401 is the 127951-st square number.

16371458401 is the 63976-th centered octagonal number.

It is an amenable number.

16371458401 is a deficient number, since it is larger than the sum of its proper divisors (127952).

16371458401 is an frugal number, since it uses more digits than its factorization.

16371458401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255902 (or 127951 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 16371458401 in words is "sixteen billion, three hundred seventy-one million, four hundred fifty-eight thousand, four hundred one".

Divisors: 1 127951 16371458401