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10221100032 = 2103111353439
BaseRepresentation
bin10011000010011100…
…11001110000000000
3222101022210200100110
421201032121300000
5131413100200112
64410121351320
7511200626313
oct114116316000
928338720313
1010221100032
1143755a9810
121b93038540
13c6b7517b0
146cd67897a
153ec4d413c
hex261399c00

10221100032 has 352 divisors, whose sum is σ = 32683875840. Its totient is φ = 2798714880.

The previous prime is 10221100031. The next prime is 10221100067. The reversal of 10221100032 is 23000112201.

It is a tau number, because it is divible by the number of its divisors (352).

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 = 10221099990 and 10221100017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221100031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23282469 + ... + 23282907.

It is an arithmetic number, because the mean of its divisors is an integer number (92851920).

Almost surely, 210221100032 is an apocalyptic number.

10221100032 is a gapful number since it is divisible by the number (12) 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 10221100032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16341937920).

10221100032 is an abundant number, since it is smaller than the sum of its proper divisors (22462775808).

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

10221100032 is a wasteful number, since it uses less digits than its factorization.

10221100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 521 counting only the distinct ones).

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

Adding to 10221100032 its reverse (23000112201), we get a palindrome (33221212233).

The spelling of 10221100032 in words is "ten billion, two hundred twenty-one million, one hundred thousand, thirty-two".