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102222303220 = 22517487617359
BaseRepresentation
bin101111100110011101…
…1001000111111110100
3100202212001022001011101
41133030323020333310
53133322402200340
6114543230415444
710246110145432
oct1371473107764
9322761261141
10102222303220
113a396909434
121798a061584
13984104c96b
144d3a265d52
1529d43aec9a
hex17ccec8ff4

102222303220 has 48 divisors (see below), whose sum is σ = 227761390080. Its totient is φ = 38404606464.

The previous prime is 102222303193. The next prime is 102222303221. The reversal of 102222303220 is 22303222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222303221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143100 + ... + 474259.

It is an arithmetic number, because the mean of its divisors is an integer number (4745028960).

Almost surely, 2102222303220 is an apocalyptic number.

102222303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222303220 is an abundant number, since it is smaller than the sum of its proper divisors (125539086860).

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

102222303220 is a wasteful number, since it uses less digits than its factorization.

102222303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617872 (or 617870 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 102222303220 its reverse (22303222201), we get a palindrome (124525525421).

The spelling of 102222303220 in words is "one hundred two billion, two hundred twenty-two million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 487 974 1948 2435 4870 8279 9740 16558 33116 41395 82790 165580 617359 1234718 2469436 3086795 6173590 10495103 12347180 20990206 41980412 52475515 104951030 209902060 300653833 601307666 1202615332 1503269165 3006538330 5111115161 6013076660 10222230322 20444460644 25555575805 51111151610 102222303220