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10021000221109 = 831492971272737
BaseRepresentation
bin1001000111010011001000…
…1010001001000110110101
31022110222221201212000111101
42101310302022021012311
52303141002024033414
633151330044410101
72052664504312603
oct221646212110665
938428851760441
1010021000221109
113213978417a59
12115a178846931
13578c8cb19b67
1426903a1bc873
15125a088d5a74
hex91d322891b5

10021000221109 has 16 divisors (see below), whose sum is σ = 10213274433600. Its totient is φ = 9830474565120.

The previous prime is 10021000221103. The next prime is 10021000221151. The reversal of 10021000221109 is 90112200012001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10021000221109 - 25 = 10021000221077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021000221103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36605989 + ... + 36878725.

It is an arithmetic number, because the mean of its divisors is an integer number (638329652100).

Almost surely, 210021000221109 is an apocalyptic number.

It is an amenable number.

10021000221109 is a deficient number, since it is larger than the sum of its proper divisors (192274212491).

10021000221109 is a wasteful number, since it uses less digits than its factorization.

10021000221109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275940.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10021000221109 in words is "ten trillion, twenty-one billion, two hundred twenty-one thousand, one hundred nine".

Divisors: 1 83 149 2971 12367 246593 272737 442679 22637171 36742357 40637813 810301627 3372938479 67255035041 120734942423 10021000221109