Search a number
-
+
2147058641 = 71321814927
BaseRepresentation
bin111111111111001…
…1000001111010001
312112122001212202102
41333332120033101
513344121334031
6553014530145
7104130461120
oct17776301721
95478055672
102147058641
11a01a5aa32
124bb066955
13282a86500
14165219ab7
15c87607cb
hex7ff983d1

2147058641 has 12 divisors (see below), whose sum is σ = 2657054592. Its totient is φ = 1698770736.

The previous prime is 2147058631. The next prime is 2147058701. The reversal of 2147058641 is 1468507412.

It is not a de Polignac number, because 2147058641 - 218 = 2146796497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2147058595 and 2147058604.

It is not an unprimeable number, because it can be changed into a prime (2147058601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 906281 + ... + 908646.

It is an arithmetic number, because the mean of its divisors is an integer number (221421216).

Almost surely, 22147058641 is an apocalyptic number.

It is an amenable number.

2147058641 is a deficient number, since it is larger than the sum of its proper divisors (509995951).

2147058641 is a wasteful number, since it uses less digits than its factorization.

2147058641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814960 (or 1814947 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2147058641 is about 46336.3641322882. The cubic root of 2147058641 is about 1290.0740379756.

The spelling of 2147058641 in words is "two billion, one hundred forty-seven million, fifty-eight thousand, six hundred forty-one".

Divisors: 1 7 13 91 169 1183 1814927 12704489 23594051 165158357 306722663 2147058641