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2220131001000 = 23353115911310091
BaseRepresentation
bin100000010011101010000…
…111101010001010101000
321212020112202011100022010
4200103222013222022220
5242333312014013000
64415525240155520
7316253626066053
oct40235207521250
97766482140263
102220131001000
11786609086aa0
122ba339468ba0
13131485437453
14796523d7a9a
153cb3d947d50
hex204ea1ea2a8

2220131001000 has 512 divisors, whose sum is σ = 7753368729600. Its totient is φ = 524357120000.

The previous prime is 2220131000917. The next prime is 2220131001001. The reversal of 2220131001000 is 1001310222.

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

It is not an unprimeable number, because it can be changed into a prime (2220131001001) 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 127 ways as a sum of consecutive naturals, for example, 220005955 + ... + 220016045.

It is an arithmetic number, because the mean of its divisors is an integer number (15143298300).

Almost surely, 22220131001000 is an apocalyptic number.

2220131001000 is a gapful number since it is divisible by the number (20) 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 2220131001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3876684364800).

2220131001000 is an abundant number, since it is smaller than the sum of its proper divisors (5533237728600).

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

2220131001000 is a wasteful number, since it uses less digits than its factorization.

2220131001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298 (or 10284 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2220131001000 its reverse (1001310222), we get a palindrome (2221132311222).

The spelling of 2220131001000 in words is "two trillion, two hundred twenty billion, one hundred thirty-one million, one thousand".