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10021322444 = 227357904373
BaseRepresentation
bin10010101010101000…
…10011111011001100
3221212101212221000112
421111110103323030
5131010424304234
64334223415152
7503223556340
oct112524237314
927771787015
1010021322444
114282858971
121b381544b8
13c392447c3
146b0d13620
153d9bc0ace
hex255513ecc

10021322444 has 12 divisors (see below), whose sum is σ = 20042644944. Its totient is φ = 4294852464.

The previous prime is 10021322419. The next prime is 10021322449. The reversal of 10021322444 is 44422312001.

10021322444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

10021322444 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (10021322449) 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 3 ways as a sum of consecutive naturals, for example, 178952159 + ... + 178952214.

It is an arithmetic number, because the mean of its divisors is an integer number (1670220412).

Almost surely, 210021322444 is an apocalyptic number.

10021322444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10021322444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10021322444 is a wasteful number, since it uses less digits than its factorization.

10021322444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357904384 (or 357904382 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10021322444 its reverse (44422312001), we get a palindrome (54443634445).

The spelling of 10021322444 in words is "ten billion, twenty-one million, three hundred twenty-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 357904373 715808746 1431617492 2505330611 5010661222 10021322444