Search a number
-
+
21222000200202 = 23191453238953629
BaseRepresentation
bin1001101001101001000011…
…10010001000101000001010
32210010210200200102120201220
410310310201302020220022
510240200124022401302
6113045130255222510
74320144643236204
oct464644162105012
983123620376656
1021222000200202
11684222194716a
122468b70b17a36
13bac2c2790889
14535216579774
1526c0761de4bc
hex134d21c88a0a

21222000200202 has 64 divisors (see below), whose sum is σ = 44728192272000. Its totient is φ = 6694143844608.

The previous prime is 21222000200119. The next prime is 21222000200207. The reversal of 21222000200202 is 20200200022212.

It is not an unprimeable number, because it can be changed into a prime (21222000200207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395691924 + ... + 395745552.

It is an arithmetic number, because the mean of its divisors is an integer number (698878004250).

Almost surely, 221222000200202 is an apocalyptic number.

21222000200202 is an abundant number, since it is smaller than the sum of its proper divisors (23506192071798).

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

21222000200202 is a wasteful number, since it uses less digits than its factorization.

21222000200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57495.

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

Adding to 21222000200202 its reverse (20200200022212), we get a palindrome (41422200222414).

The spelling of 21222000200202 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thousand, two hundred two".

Divisors: 1 2 3 6 19 38 57 114 1453 2389 2906 4359 4778 7167 8718 14334 27607 45391 53629 55214 82821 90782 107258 136173 160887 165642 272346 321774 1018951 2037902 3056853 3471217 6113706 6942434 10413651 20827302 65953123 77922937 128119681 131906246 155845874 197859369 233768811 256239362 384359043 395718738 467537622 768718086 1480535803 2434273939 2961071606 4441607409 4868547878 7302821817 8883214818 14605643634 186157896493 372315792986 558473689479 1116947378958 3537000033367 7074000066734 10611000100101 21222000200202