Search a number
-
+
2089655519 = 7242646031
BaseRepresentation
bin111110010001101…
…1001110011011111
312101122001111110212
41330203121303133
513234422434034
6543204323035
7102532531100
oct17443316337
95348044425
102089655519
11982613136
124a39a347b
13273c08573
1415b7563a7
15c36c22ce
hex7c8d9cdf

2089655519 has 6 divisors (see below), whose sum is σ = 2430823824. Its totient is φ = 1791133260.

The previous prime is 2089655509. The next prime is 2089655543. The reversal of 2089655519 is 9155569802.

It is not a de Polignac number, because 2089655519 - 28 = 2089655263 is a prime.

It is a super-2 number, since 2×20896555192 = 8733320376174318722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089655509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21322967 + ... + 21323064.

It is an arithmetic number, because the mean of its divisors is an integer number (405137304).

Almost surely, 22089655519 is an apocalyptic number.

2089655519 is a deficient number, since it is larger than the sum of its proper divisors (341168305).

2089655519 is an equidigital number, since it uses as much as digits as its factorization.

2089655519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42646045 (or 42646038 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 50.

The square root of 2089655519 is about 45712.7500704125. The cubic root of 2089655519 is about 1278.4730161357.

The spelling of 2089655519 in words is "two billion, eighty-nine million, six hundred fifty-five thousand, five hundred nineteen".

Divisors: 1 7 49 42646031 298522217 2089655519