Search a number
-
+
12100110019 = 67180598657
BaseRepresentation
bin10110100010011100…
…10000011011000011
31011020021111021110221
423101032100123003
5144240112010034
65320403203511
7605565144454
oct132116203303
934207437427
1012100110019
11514a218828
122418376597
1311aab1641a
1482b03b12b
154ac447bb4
hex2d13906c3

12100110019 has 4 divisors (see below), whose sum is σ = 12280708744. Its totient is φ = 11919511296.

The previous prime is 12100110007. The next prime is 12100110031. The reversal of 12100110019 is 91001100121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12100110007) and next prime (12100110031).

It is a cyclic number.

It is not a de Polignac number, because 12100110019 - 29 = 12100109507 is a prime.

It is a super-2 number, since 2×121001100192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100109984 and 12100110011.

It is not an unprimeable number, because it can be changed into a prime (12100110079) 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, 90299262 + ... + 90299395.

It is an arithmetic number, because the mean of its divisors is an integer number (3070177186).

Almost surely, 212100110019 is an apocalyptic number.

12100110019 is a deficient number, since it is larger than the sum of its proper divisors (180598725).

12100110019 is an equidigital number, since it uses as much as digits as its factorization.

12100110019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180598724.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 12100110019 in words is "twelve billion, one hundred million, one hundred ten thousand, nineteen".

Divisors: 1 67 180598657 12100110019