Search a number
-
+
20332123123123 = 72451481919067
BaseRepresentation
bin1001001111101111100001…
…11110011110110110110011
32122222201202121201021011201
410213313300332132312303
510131110142004414443
6111124240505152031
74165642652004400
oct447676076366663
978881677637151
1020332123123123
11652989449a179
122344602a8b617
13b464073003b6
145041197932a7
15253d4275234d
hex127df0f9edb3

20332123123123 has 12 divisors (see below), whose sum is σ = 23651731550232. Its totient is φ = 17427476542560.

The previous prime is 20332123123079. The next prime is 20332123123127. The reversal of 20332123123123 is 32132132123302.

It is a happy number.

It is not a de Polignac number, because 20332123123123 - 233 = 20323533188531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332123123091 and 20332123123100.

It is not an unprimeable number, because it can be changed into a prime (20332123123127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21663036 + ... + 22582102.

It is an arithmetic number, because the mean of its divisors is an integer number (1970977629186).

Almost surely, 220332123123123 is an apocalyptic number.

20332123123123 is a deficient number, since it is larger than the sum of its proper divisors (3319608427109).

20332123123123 is an equidigital number, since it uses as much as digits as its factorization.

20332123123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370562 (or 1370555 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20332123123123 its reverse (32132132123302), we get a palindrome (52464255246425).

The spelling of 20332123123123 in words is "twenty trillion, three hundred thirty-two billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred twenty-three".

Divisors: 1 7 49 451481 919067 3160367 6433469 22122569 45034283 414941288227 2904589017589 20332123123123