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12084564101 = 42412849461
BaseRepresentation
bin10110100000100101…
…11101000010000101
31011012012020110111012
423100102331002011
5144222122022401
65315050052005
7605316046211
oct132022750205
934165213435
1012084564101
11514146a965
12241311a005
1311a783245c
14828d51941
154aadc68bb
hex2d04bd085

12084564101 has 4 divisors (see below), whose sum is σ = 12087417804. Its totient is φ = 12081710400.

The previous prime is 12084564071. The next prime is 12084564109. The reversal of 12084564101 is 10146548021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10146548021 = 41247476781.

It can be written as a sum of positive squares in 2 ways, for example, as 8653650625 + 3430913476 = 93025^2 + 58574^2 .

It is a cyclic number.

It is not a de Polignac number, because 12084564101 - 226 = 12017455237 is a prime.

It is a super-2 number, since 2×120845641012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12084564109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420490 + ... + 1428971.

It is an arithmetic number, because the mean of its divisors is an integer number (3021854451).

Almost surely, 212084564101 is an apocalyptic number.

It is an amenable number.

12084564101 is a deficient number, since it is larger than the sum of its proper divisors (2853703).

12084564101 is an equidigital number, since it uses as much as digits as its factorization.

12084564101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853702.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 12084564101 in words is "twelve billion, eighty-four million, five hundred sixty-four thousand, one hundred one".

Divisors: 1 4241 2849461 12084564101