Search a number
-
+
102020202222 = 23171099176129
BaseRepresentation
bin101111100000011100…
…0001011111011101110
3100202022222000020201020
41133000320023323232
53132414132432342
6114511210555010
710241104260621
oct1370070137356
9322288006636
10102020202222
113a2a2820a14
1217932438a66
13980b20b283
144d1b497db8
1529c178d0ec
hex17c0e0beee

102020202222 has 32 divisors (see below), whose sum is σ = 218024848800. Its totient is φ = 31712698368.

The previous prime is 102020202211. The next prime is 102020202253. The reversal of 102020202222 is 222202020201.

It is a super-2 number, since 2×1020202022222 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4576947 + ... + 4599182.

It is an arithmetic number, because the mean of its divisors is an integer number (6813276525).

Almost surely, 2102020202222 is an apocalyptic number.

102020202222 is an abundant number, since it is smaller than the sum of its proper divisors (116004646578).

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

102020202222 is a wasteful number, since it uses less digits than its factorization.

102020202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9176260.

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

Adding to 102020202222 its reverse (222202020201), we get a palindrome (324222222423).

The spelling of 102020202222 in words is "one hundred two billion, twenty million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 109 218 327 654 1853 3706 5559 11118 9176129 18352258 27528387 55056774 155994193 311988386 467982579 935965158 1000198061 2000396122 3000594183 6001188366 17003367037 34006734074 51010101111 102020202222