Search a number
-
+
20750522683 = 112612811343
BaseRepresentation
bin10011010100110100…
…111101100100111011
31222120010202202211011
4103110310331210323
5314444113211213
613311015414351
71333134350452
oct232464754473
958503682734
1020750522683
118889146900
1240313843b7
131c590262b7
14100bc51b99
15816abd03d
hex4d4d3d93b

20750522683 has 12 divisors (see below), whose sum is σ = 23182342624. Its totient is φ = 18554857200.

The previous prime is 20750522671. The next prime is 20750522707. The reversal of 20750522683 is 38622505702.

It is a de Polignac number, because none of the positive numbers 2k-20750522683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20750522783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1398291 + ... + 1413052.

Almost surely, 220750522683 is an apocalyptic number.

20750522683 is a deficient number, since it is larger than the sum of its proper divisors (2431819941).

20750522683 is a wasteful number, since it uses less digits than its factorization.

20750522683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811426 (or 2811415 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 20750522683 in words is "twenty billion, seven hundred fifty million, five hundred twenty-two thousand, six hundred eighty-three".

Divisors: 1 11 61 121 671 7381 2811343 30924773 171491923 340172503 1886411153 20750522683