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10021333121 = 53382349459
BaseRepresentation
bin10010101010101000…
…10110100010000001
3221212101220110122222
421111110112202001
5131010430124441
64334223540425
7503223632432
oct112524264201
927771813588
1010021333121
114282865998
121b3815a715
13c39249617
146b0d17489
153d9bc3d4b
hex255516881

10021333121 has 8 divisors (see below), whose sum is σ = 10213292160. Its totient is φ = 9829480752.

The previous prime is 10021333109. The next prime is 10021333187. The reversal of 10021333121 is 12133312001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10021333121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10021333121.

It is not an unprimeable number, because it can be changed into a prime (10021333321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177890 + ... + 227348.

It is an arithmetic number, because the mean of its divisors is an integer number (1276661520).

Almost surely, 210021333121 is an apocalyptic number.

It is an amenable number.

10021333121 is a deficient number, since it is larger than the sum of its proper divisors (191959039).

10021333121 is an equidigital number, since it uses as much as digits as its factorization.

10021333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53335.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10021333121 its reverse (12133312001), we get a palindrome (22154645122).

The spelling of 10021333121 in words is "ten billion, twenty-one million, three hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 53 3823 49459 202619 2621327 189081757 10021333121