Search a number
-
+
2222021202102 = 2321331729955259
BaseRepresentation
bin100000010101011010110…
…010001101000010110110
321212102102110220111202100
4200111122302031002312
5242401144411431402
64420441001522530
7316351520404332
oct40253262150266
97772373814670
102222021202102
1178739904a069
122ba7864a3446
131316c6c19b40
14797914707c2
153cbee86c71c
hex2055ac8d0b6

2222021202102 has 48 divisors (see below), whose sum is σ = 5201071883280. Its totient is φ = 681542030016.

The previous prime is 2222021202097. The next prime is 2222021202103. The reversal of 2222021202102 is 2012021202222.

2222021202102 is a `hidden beast` number, since 22 + 220 + 212 + 0 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222021202103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14903452 + ... + 15051807.

It is an arithmetic number, because the mean of its divisors is an integer number (108355664235).

Almost surely, 22222021202102 is an apocalyptic number.

2222021202102 is an abundant number, since it is smaller than the sum of its proper divisors (2979050681178).

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

2222021202102 is a wasteful number, since it uses less digits than its factorization.

2222021202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29955597 (or 29955594 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222021202102 its reverse (2012021202222), we get a palindrome (4234042404324).

The spelling of 2222021202102 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred two thousand, one hundred two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 317 634 951 1902 2853 4121 5706 8242 12363 24726 37089 74178 29955259 59910518 89865777 179731554 269597331 389418367 539194662 778836734 1168255101 2336510202 3504765303 7009530606 9495817103 18991634206 28487451309 56974902618 85462353927 123445622339 170924707854 246891244678 370336867017 740673734034 1111010601051 2222021202102