Search a number
-
+
12223100312020 = 2251347011924277
BaseRepresentation
bin1011000111011110100110…
…0011010101100111010100
31121021111221212200020002201
42301313221203111213110
53100230402134441040
641555114220014244
72401042551250663
oct261675143254724
947244855606081
1012223100312020
11399287351a364
121454b03691384
136a88307c0730
1430385ba20dda
15162e3e3bba9a
hexb1de98d59d4

12223100312020 has 24 divisors (see below), whose sum is σ = 27643011475464. Its totient is φ = 4513144730496.

The previous prime is 12223100312009. The next prime is 12223100312081. The reversal of 12223100312020 is 2021300132221.

It can be written as a sum of positive squares in 4 ways, for example, as 2831560060176 + 9391540251844 = 1682724^2 + 3064562^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23505961879 + ... + 23505962398.

It is an arithmetic number, because the mean of its divisors is an integer number (1151792144811).

Almost surely, 212223100312020 is an apocalyptic number.

12223100312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223100312020 is an abundant number, since it is smaller than the sum of its proper divisors (15419911163444).

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

12223100312020 is a wasteful number, since it uses less digits than its factorization.

12223100312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47011924299 (or 47011924297 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12223100312020 its reverse (2021300132221), we get a palindrome (14244400444241).

The spelling of 12223100312020 in words is "twelve trillion, two hundred twenty-three billion, one hundred million, three hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 47011924277 94023848554 188047697108 235059621385 470119242770 611155015601 940238485540 1222310031202 2444620062404 3055775078005 6111550156010 12223100312020