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10222212021 = 371937336863
BaseRepresentation
bin10011000010100101…
…01001001110110101
3222101101220011201020
421201102221032311
5131413341241041
64410201251353
7511213240260
oct114122511665
928341804636
1010222212021
11437619920a
121b93493b59
13c6ba50988
146cd887cd7
153ec653866
hex2614a93b5

10222212021 has 32 divisors (see below), whose sum is σ = 16403312640. Its totient is φ = 5531540544.

The previous prime is 10222211981. The next prime is 10222212041. The reversal of 10222212021 is 12021222201.

10222212021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10222212021 - 26 = 10222211957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222212041) 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, 1486036 + ... + 1492898.

It is an arithmetic number, because the mean of its divisors is an integer number (512603520).

Almost surely, 210222212021 is an apocalyptic number.

It is an amenable number.

10222212021 is a deficient number, since it is larger than the sum of its proper divisors (6181100619).

10222212021 is a wasteful number, since it uses less digits than its factorization.

10222212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10222212021 its reverse (12021222201), we get a palindrome (22243434222).

The spelling of 10222212021 in words is "ten billion, two hundred twenty-two million, two hundred twelve thousand, twenty-one".

Divisors: 1 3 7 19 21 57 133 399 3733 6863 11199 20589 26131 48041 70927 78393 130397 144123 212781 391191 496489 912779 1489467 2738337 25619579 76858737 179337053 486772001 538011159 1460316003 3407404007 10222212021