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10021221233 = 232011216661
BaseRepresentation
bin10010101010100111…
…11011001101110001
3221212101200210011222
421111103323031301
5131010413034413
64334221314425
7503222655302
oct112523731561
927771623158
1010021221233
114282799921
121b38105a15
13c3920a70a
146b0cc87a9
153d9ba0b08
hex2554fb371

10021221233 has 8 divisors (see below), whose sum is σ = 10462174656. Its totient is φ = 9580705200.

The previous prime is 10021221191. The next prime is 10021221239. The reversal of 10021221233 is 33212212001.

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

It is not a de Polignac number, because 10021221233 - 218 = 10020959089 is a prime.

It is a super-4 number, since 4×100212212334 (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021221239) 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 7 ways as a sum of consecutive naturals, for example, 62078 + ... + 154583.

It is an arithmetic number, because the mean of its divisors is an integer number (1307771832).

Almost surely, 210021221233 is an apocalyptic number.

It is an amenable number.

10021221233 is a deficient number, since it is larger than the sum of its proper divisors (440953423).

10021221233 is a wasteful number, since it uses less digits than its factorization.

10021221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218695.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10021221233 its reverse (33212212001), we get a palindrome (43233433234).

The spelling of 10021221233 in words is "ten billion, twenty-one million, two hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 23 2011 46253 216661 4983203 435705271 10021221233