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1022212130100 = 22352717228112553
BaseRepresentation
bin11101110000000001001…
…01110100010100110100
310121201111201110112202020
432320000211310110310
5113221442301130400
62101333041313140
7133565240512560
oct16700045642464
93551451415666
101022212130100
1136457710a007
121461409357b0
13755180610a5
14376924466a0
151b8cb7e82a0
hexee00974534

1022212130100 has 288 divisors, whose sum is σ = 3580799314176. Its totient is φ = 219790540800.

The previous prime is 1022212130053. The next prime is 1022212130129. The reversal of 1022212130100 is 10312122201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1022212130100.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 81425424 + ... + 81437976.

It is an arithmetic number, because the mean of its divisors is an integer number (12433330952).

Almost surely, 21022212130100 is an apocalyptic number.

1022212130100 is a gapful number since it is divisible by the number (10) 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 1022212130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790399657088).

1022212130100 is an abundant number, since it is smaller than the sum of its proper divisors (2558587184076).

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

1022212130100 is a wasteful number, since it uses less digits than its factorization.

1022212130100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14875 (or 14868 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1022212130100 its reverse (10312122201), we get a palindrome (1032524252301).

The spelling of 1022212130100 in words is "one trillion, twenty-two billion, two hundred twelve million, one hundred thirty thousand, one hundred".