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1486138893 = 31787277213
BaseRepresentation
bin101100010010100…
…1010111000001101
310211120102200022020
41120211022320031
511020422421033
6403245040353
751553654311
oct13045127015
93746380266
101486138893
116a2983168
123558560b9
131a8b7b135
14101535b41
158a70c6b3
hex5894ae0d

1486138893 has 8 divisors (see below), whose sum is σ = 1982634528. Its totient is φ = 990201264.

The previous prime is 1486138889. The next prime is 1486138937. The reversal of 1486138893 is 3988316841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1486138893 - 22 = 1486138889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1486138883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133246 + ... + 143967.

It is an arithmetic number, because the mean of its divisors is an integer number (247829316).

Almost surely, 21486138893 is an apocalyptic number.

It is an amenable number.

1486138893 is a deficient number, since it is larger than the sum of its proper divisors (496495635).

1486138893 is a wasteful number, since it uses less digits than its factorization.

1486138893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279003.

The product of its digits is 995328, while the sum is 51.

The square root of 1486138893 is about 38550.4720204565. The cubic root of 1486138893 is about 1141.1773240315.

The spelling of 1486138893 in words is "one billion, four hundred eighty-six million, one hundred thirty-eight thousand, eight hundred ninety-three".

Divisors: 1 3 1787 5361 277213 831639 495379631 1486138893