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2159479201 = 111493473797
BaseRepresentation
bin1000000010110111…
…0000100110100001
312120111102220120011
42000231300212201
513410311313301
6554141044521
7104341161505
oct20055604641
95514386504
102159479201
11a08a73760
12503256741
13285514a59
14166b30305
15c98b5a51
hex80b709a1

2159479201 has 16 divisors (see below), whose sum is σ = 2379067200. Its totient is φ = 1943855680.

The previous prime is 2159479187. The next prime is 2159479207. The reversal of 2159479201 is 1029749512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2159479201 - 27 = 2159479073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2159479207) 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, 566835 + ... + 570631.

It is an arithmetic number, because the mean of its divisors is an integer number (148691700).

Almost surely, 22159479201 is an apocalyptic number.

It is an amenable number.

2159479201 is a deficient number, since it is larger than the sum of its proper divisors (219587999).

2159479201 is a wasteful number, since it uses less digits than its factorization.

2159479201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 2159479201 is about 46470.1969115690. The cubic root of 2159479201 is about 1292.5569142393.

The spelling of 2159479201 in words is "two billion, one hundred fifty-nine million, four hundred seventy-nine thousand, two hundred one".

Divisors: 1 11 149 347 1639 3797 3817 41767 51703 565753 568733 1317559 6223283 14493149 196316291 2159479201