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189240585611 = 7115324391993
BaseRepresentation
bin1011000000111110011…
…1100010110110001011
3200002110111112210200012
42300033213202312023
511100031042214421
6222534054302135
716446362302640
oct2601747426613
9602414483605
10189240585611
11732904169a0
123081435794b
1314acb1bc09c
149233159dc7
154dc8aa995b
hex2c0f9e2d8b

189240585611 has 48 divisors (see below), whose sum is σ = 241140641280. Its totient is φ = 144275938560.

The previous prime is 189240585571. The next prime is 189240585647. The reversal of 189240585611 is 116585042981.

It is a de Polignac number, because none of the positive numbers 2k-189240585611 is a prime.

It is a super-3 number, since 3×1892405856113 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189240585611.

It is not an unprimeable number, because it can be changed into a prime (189240585211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94951631 + ... + 94953623.

It is an arithmetic number, because the mean of its divisors is an integer number (5023763360).

Almost surely, 2189240585611 is an apocalyptic number.

189240585611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

189240585611 is a deficient number, since it is larger than the sum of its proper divisors (51900055669).

189240585611 is a wasteful number, since it uses less digits than its factorization.

189240585611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 50.

The spelling of 189240585611 in words is "one hundred eighty-nine billion, two hundred forty million, five hundred eighty-five thousand, six hundred eleven".

Divisors: 1 7 11 53 77 371 439 583 1993 2809 3073 4081 4829 13951 19663 21923 23267 30899 33803 105629 153461 162869 216293 255937 739403 874927 1161919 1233151 1791559 5598337 6124489 8133433 8632057 9624197 13564661 39188359 46371131 61581707 67369379 94952627 324597917 431071949 510082441 2457669943 3570577087 17203689601 27034369373 189240585611