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2872129269 = 315743314083
BaseRepresentation
bin1010101100110001…
…0011011011110101
321102011102021200010
42223030103123311
521340231114034
61152555410433
7131113460502
oct25314233365
97364367603
102872129269
111244273259
12681a53a19
1336a062c99
141d363c4a9
1511c2363e9
hexab3136f5

2872129269 has 16 divisors (see below), whose sum is σ = 3863072192. Its totient is φ = 1898028288.

The previous prime is 2872129259. The next prime is 2872129291. The reversal of 2872129269 is 9629212782.

It is not a de Polignac number, because 2872129269 - 227 = 2737911541 is a prime.

It is a super-2 number, since 2×28721292692 = 16498253075692948722, 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 (2872129259) 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, 196902 + ... + 210984.

It is an arithmetic number, because the mean of its divisors is an integer number (241442012).

Almost surely, 22872129269 is an apocalyptic number.

It is an amenable number.

2872129269 is a deficient number, since it is larger than the sum of its proper divisors (990942923).

2872129269 is a wasteful number, since it uses less digits than its factorization.

2872129269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14676.

The product of its digits is 435456, while the sum is 48.

The square root of 2872129269 is about 53592.2500833843. The cubic root of 2872129269 is about 1421.4600582799.

The spelling of 2872129269 in words is "two billion, eight hundred seventy-two million, one hundred twenty-nine thousand, two hundred sixty-nine".

Divisors: 1 3 157 433 471 1299 14083 42249 67981 203943 2211031 6097939 6633093 18293817 957376423 2872129269