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20121114 = 23131913577
BaseRepresentation
bin100110011000…
…0011000011010
31101212020222110
41030300120122
520122333424
61555133150
7333012066
oct114603032
941766873
1020121114
11103a3322
1268a41b6
1342265b0
14295aaa6
151b76c29
hex133061a

20121114 has 32 divisors (see below), whose sum is σ = 45622080. Its totient is φ = 5864832.

The previous prime is 20121107. The next prime is 20121121. The reversal of 20121114 is 41112102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20121107) and next prime (20121121).

It is a self number, because there is not a number n which added to its sum of digits gives 20121114.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5307 + ... + 8270.

It is an arithmetic number, because the mean of its divisors is an integer number (1425690).

Almost surely, 220121114 is an apocalyptic number.

20121114 is an abundant number, since it is smaller than the sum of its proper divisors (25500966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20121114 is a wasteful number, since it uses less digits than its factorization.

20121114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 20121114 is about 4485.6564736948. The cubic root of 20121114 is about 271.9885826378.

Adding to 20121114 its reverse (41112102), we get a palindrome (61233216).

The spelling of 20121114 in words is "twenty million, one hundred twenty-one thousand, one hundred fourteen".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 13577 27154 40731 81462 176501 257963 353002 515926 529503 773889 1059006 1547778 3353519 6707038 10060557 20121114