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2138464713 = 37311188927
BaseRepresentation
bin111111101110110…
…0110000111001001
312112000220021002210
41333131212013021
513334421332323
6552110415333
7103664436000
oct17735460711
95460807083
102138464713
119a8120210
124b8201549
13281067948
1416401dc37
15c7b14293
hex7f7661c9

2138464713 has 32 divisors (see below), whose sum is σ = 3627417600. Its totient is φ = 1110884880.

The previous prime is 2138464711. The next prime is 2138464729. The reversal of 2138464713 is 3174648312.

It is not a de Polignac number, because 2138464713 - 21 = 2138464711 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2138464711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83145 + ... + 105782.

It is an arithmetic number, because the mean of its divisors is an integer number (113356800).

Almost surely, 22138464713 is an apocalyptic number.

It is an amenable number.

2138464713 is a deficient number, since it is larger than the sum of its proper divisors (1488952887).

2138464713 is a wasteful number, since it uses less digits than its factorization.

2138464713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188962 (or 188948 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 2138464713 is about 46243.5369862644. The cubic root of 2138464713 is about 1288.3504973185.

The spelling of 2138464713 in words is "two billion, one hundred thirty-eight million, four hundred sixty-four thousand, seven hundred thirteen".

Divisors: 1 3 7 11 21 33 49 77 147 231 343 539 1029 1617 3773 11319 188927 566781 1322489 2078197 3967467 6234591 9257423 14547379 27772269 43642137 64801961 101831653 194405883 305494959 712821571 2138464713