Search a number
-
+
122222020002 = 23109937185291
BaseRepresentation
bin111000111010100000…
…0000000010110100010
3102200110212021220220120
41301311000000112202
54000302314120002
6132051550021110
711554530012555
oct1616500002642
9380425256816
10122222020002
114791a164695
121b82baa7796
13b6aa6586c4
145cb64b669c
1532a50c1cbc
hex1c750005a2

122222020002 has 16 divisors (see below), whose sum is σ = 244447582752. Its totient is φ = 40740082880.

The previous prime is 122222019991. The next prime is 122222020007. The reversal of 122222020002 is 200020222221.

It is not an unprimeable number, because it can be changed into a prime (122222020007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566977 + ... + 752267.

It is an arithmetic number, because the mean of its divisors is an integer number (15277973922).

Almost surely, 2122222020002 is an apocalyptic number.

122222020002 is an abundant number, since it is smaller than the sum of its proper divisors (122225562750).

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

122222020002 is a wasteful number, since it uses less digits than its factorization.

122222020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295233.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 122222020002 its reverse (200020222221), we get a palindrome (322242242223).

The spelling of 122222020002 in words is "one hundred twenty-two billion, two hundred twenty-two million, twenty thousand, two".

Divisors: 1 2 3 6 109937 185291 219874 329811 370582 555873 659622 1111746 20370336667 40740673334 61111010001 122222020002