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20124611 = 133149937
BaseRepresentation
bin100110011000…
…1001111000011
31101212102202222
41030301033003
520122441421
61555201255
7333025223
oct114611703
941772688
1020124611
11103a5a11
1268a622b
134228070
14295c083
151b77cab
hex13313c3

20124611 has 8 divisors (see below), whose sum is σ = 22372224. Its totient is φ = 17976960.

The previous prime is 20124593. The next prime is 20124619. The reversal of 20124611 is 11642102.

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

It is a cyclic number.

It is not a de Polignac number, because 20124611 - 214 = 20108227 is a prime.

It is a super-3 number, since 3×201246113 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20124611.

It is not an unprimeable number, because it can be changed into a prime (20124619) 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, 24566 + ... + 25371.

It is an arithmetic number, because the mean of its divisors is an integer number (2796528).

Almost surely, 220124611 is an apocalyptic number.

20124611 is a deficient number, since it is larger than the sum of its proper divisors (2247613).

20124611 is a wasteful number, since it uses less digits than its factorization.

20124611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49981.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 20124611 is about 4486.0462547771. The cubic root of 20124611 is about 272.0043387067.

Adding to 20124611 its reverse (11642102), we get a palindrome (31766713).

The spelling of 20124611 in words is "twenty million, one hundred twenty-four thousand, six hundred eleven".

Divisors: 1 13 31 403 49937 649181 1548047 20124611