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52742087385 = 351310119913457
BaseRepresentation
bin110001000111101011…
…000110001011011001
312001010200112122100220
4301013223012023121
51331003433244020
640121313550253
73544666226421
oct610753061331
9161120478326
1052742087385
1120405595979
12a27b275389
134c86ba1140
1427a499b481
15158a490240
hexc47ac62d9

52742087385 has 64 divisors (see below), whose sum is σ = 92246515200. Its totient is φ = 25577164800.

The previous prime is 52742087383. The next prime is 52742087389. The reversal of 52742087385 is 58378024725.

52742087385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52742087385 - 21 = 52742087383 is a prime.

It is a super-2 number, since 2×527420873852 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52742087383) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3912577 + ... + 3926033.

It is an arithmetic number, because the mean of its divisors is an integer number (1441351800).

Almost surely, 252742087385 is an apocalyptic number.

It is an amenable number.

52742087385 is a deficient number, since it is larger than the sum of its proper divisors (39504427815).

52742087385 is a wasteful number, since it uses less digits than its factorization.

52742087385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13778.

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 52742087385 in words is "fifty-two billion, seven hundred forty-two million, eighty-seven thousand, three hundred eighty-five".

Divisors: 1 3 5 13 15 39 65 101 195 199 303 505 597 995 1313 1515 2587 2985 3939 6565 7761 12935 13457 19695 20099 38805 40371 60297 67285 100495 174941 201855 261287 301485 524823 783861 874705 1306435 1359157 2624115 2677943 3919305 4077471 6795785 8033829 13389715 17669041 20387355 34813259 40169145 53007123 88345205 104439777 174066295 265035615 270472243 522198885 811416729 1352361215 3516139159 4057083645 10548417477 17580695795 52742087385