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102213002221220 = 22511464604555551
BaseRepresentation
bin10111001111011001010001…
…101100000101011010100100
3111101220110121212102100011002
4113033121101230011122210
5101344124212032034340
61001220001024332432
730346434323512652
oct2717312154053244
9441813555370132
10102213002221220
112a628322080430
12b569693774118
13450584c6981b7
141b351c8529dd2
15bc3bdc461715
hex5cf651b056a4

102213002221220 has 24 divisors (see below), whose sum is σ = 234160695998208. Its totient is φ = 37168364444000.

The previous prime is 102213002221193. The next prime is 102213002221273. The reversal of 102213002221220 is 22122200312201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102213002221192 and 102213002221201.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 232302277556 + ... + 232302277995.

It is an arithmetic number, because the mean of its divisors is an integer number (9756695666592).

Almost surely, 2102213002221220 is an apocalyptic number.

102213002221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102213002221220 is an abundant number, since it is smaller than the sum of its proper divisors (131947693776988).

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

102213002221220 is a wasteful number, since it uses less digits than its factorization.

102213002221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464604555571 (or 464604555569 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102213002221220 its reverse (22122200312201), we get a palindrome (124335202533421).

The spelling of 102213002221220 in words is "one hundred two trillion, two hundred thirteen billion, two million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 464604555551 929209111102 1858418222204 2323022777755 4646045555510 5110650111061 9292091111020 10221300222122 20442600444244 25553250555305 51106501110610 102213002221220