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120000230021 = 763127167813
BaseRepresentation
bin110111111000010010…
…0100011001010000101
3102110202000121022000202
41233300210203022011
53431230024330041
6131043301220245
711445501061010
oct1576044431205
9373660538022
10120000230021
114698a001a21
121b30ba01685
13b415267c89
145b453a6377
1531c4eeda9b
hex1bf0923285

120000230021 has 8 divisors (see below), whose sum is σ = 137360467584. Its totient is φ = 102694329360.

The previous prime is 120000230017. The next prime is 120000230023. The reversal of 120000230021 is 120032000021.

It is a happy number.

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

It is not a de Polignac number, because 120000230021 - 22 = 120000230017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000229984 and 120000230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000230023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13579490 + ... + 13588323.

It is an arithmetic number, because the mean of its divisors is an integer number (17170058448).

Almost surely, 2120000230021 is an apocalyptic number.

It is an amenable number.

120000230021 is a deficient number, since it is larger than the sum of its proper divisors (17360237563).

120000230021 is an equidigital number, since it uses as much as digits as its factorization.

120000230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27168451.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 120000230021 its reverse (120032000021), we get a palindrome (240032230042).

The spelling of 120000230021 in words is "one hundred twenty billion, two hundred thirty thousand, twenty-one".

Divisors: 1 7 631 4417 27167813 190174691 17142890003 120000230021