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1214065412 = 22743359479
BaseRepresentation
bin100100001011101…
…0010101100000100
310010121110220122122
41020113102230010
54441300043122
6320245345112
742041246210
oct11027225404
93117426578
101214065412
1157334334a
1229a708198
131646aa601
14b7351940
15718b8142
hex485d2b04

1214065412 has 12 divisors (see below), whose sum is σ = 2428130880. Its totient is φ = 520313736.

The previous prime is 1214065403. The next prime is 1214065459. The reversal of 1214065412 is 2145604121.

1214065412 is an admirable number.

It is a super-2 number, since 2×12140654122 = 2947909649229459488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21679712 + ... + 21679767.

It is an arithmetic number, because the mean of its divisors is an integer number (202344240).

Almost surely, 21214065412 is an apocalyptic number.

It is an amenable number.

1214065412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1214065412 is a wasteful number, since it uses less digits than its factorization.

1214065412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43359490 (or 43359488 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1214065412 is about 34843.4414488581. The cubic root of 1214065412 is about 1066.7943220050.

Adding to 1214065412 its reverse (2145604121), we get a palindrome (3359669533).

The spelling of 1214065412 in words is "one billion, two hundred fourteen million, sixty-five thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 43359479 86718958 173437916 303516353 607032706 1214065412