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1210424304220 = 225173560071483
BaseRepresentation
bin10001100111010010111…
…010010010001001011100
311021201022112212122001221
4101213102322102021130
5124312422110213340
62324021121343124
7153310304553355
oct21472272221134
94251275778057
101210424304220
11427379a6714a
12176708797aa4
138a1b1176061
1442828b7ad2c
1521744e5d44a
hex119d2e9225c

1210424304220 has 24 divisors (see below), whose sum is σ = 2691414041904. Its totient is φ = 455689149696.

The previous prime is 1210424304217. The next prime is 1210424304223. The reversal of 1210424304220 is 224034240121.

It is an interprime number because it is at equal distance from previous prime (1210424304217) and next prime (1210424304223).

It is a super-2 number, since 2×12104243042202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210424304223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780035402 + ... + 1780036081.

It is an arithmetic number, because the mean of its divisors is an integer number (112142251746).

Almost surely, 21210424304220 is an apocalyptic number.

1210424304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210424304220 is an abundant number, since it is smaller than the sum of its proper divisors (1480989737684).

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

1210424304220 is a wasteful number, since it uses less digits than its factorization.

1210424304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560071509 (or 3560071507 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1210424304220 its reverse (224034240121), we get a palindrome (1434458544341).

The spelling of 1210424304220 in words is "one trillion, two hundred ten billion, four hundred twenty-four million, three hundred four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3560071483 7120142966 14240285932 17800357415 35600714830 60521215211 71201429660 121042430422 242084860844 302606076055 605212152110 1210424304220