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3110101001220 = 223519101220712239
BaseRepresentation
bin101101010000100000011…
…101110010010000000100
3102000022201021201122110010
4231100200131302100010
5401423441324014340
610340432150030220
7440461126216533
oct55204035622004
912008637648403
103110101001220
11a99a93a31574
12422912648370
13197386c31235
14aa75b68c31a
1555d7a63cb80
hex2d420772404

3110101001220 has 192 divisors, whose sum is σ = 9262323302400. Its totient is φ = 777514406400.

The previous prime is 3110101001213. The next prime is 3110101001261. The reversal of 3110101001220 is 221001010113.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3110101001196 and 3110101001205.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 254107861 + ... + 254120099.

It is an arithmetic number, because the mean of its divisors is an integer number (48241267200).

Almost surely, 23110101001220 is an apocalyptic number.

3110101001220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3110101001220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4631161651200).

3110101001220 is an abundant number, since it is smaller than the sum of its proper divisors (6152222301180).

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

3110101001220 is a wasteful number, since it uses less digits than its factorization.

3110101001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14578 (or 14576 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 3110101001220 its reverse (221001010113), we get a palindrome (3331102011333).

The spelling of 3110101001220 in words is "three trillion, one hundred ten billion, one hundred one million, one thousand, two hundred twenty".