Search a number
-
+
2141662445 = 5131131511931
BaseRepresentation
bin111111110100111…
…0010110011101101
312112020220201120022
41333221302303231
513341231144240
6552303131525
7104033554556
oct17751626355
95466821508
102141662445
119a9a0476a
124b92a3ba5
132819172b0
1416461332d
15c80469b5
hex7fa72ced

2141662445 has 32 divisors (see below), whose sum is σ = 2812126464. Its totient is φ = 1556352000.

The previous prime is 2141662433. The next prime is 2141662487. The reversal of 2141662445 is 5442661412.

It is not a de Polignac number, because 2141662445 - 26 = 2141662381 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1108130 + ... + 1110060.

It is an arithmetic number, because the mean of its divisors is an integer number (87878952).

Almost surely, 22141662445 is an apocalyptic number.

It is an amenable number.

2141662445 is a deficient number, since it is larger than the sum of its proper divisors (670464019).

2141662445 is a wasteful number, since it uses less digits than its factorization.

2141662445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213.

The product of its digits is 46080, while the sum is 35.

The square root of 2141662445 is about 46278.0989778102. The cubic root of 2141662445 is about 1288.9923515409.

The spelling of 2141662445 in words is "two billion, one hundred forty-one million, six hundred sixty-two thousand, four hundred forty-five".

Divisors: 1 5 13 65 113 151 565 755 1469 1931 1963 7345 9655 9815 17063 25103 85315 125515 218203 221819 291581 1091015 1109095 1457905 2836639 3790553 14183195 18952765 32948653 164743265 428332489 2141662445