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10220301291 = 34423770239
BaseRepresentation
bin10011000010010110…
…10110101111101011
3222101021022002200110
421201023112233223
5131412344120131
64410052305403
7511161061524
oct114113265753
928337262613
1010220301291
1143751036a2
121b92912263
13c6b532075
146cd50b84b
153ec3c7646
hex2612d6beb

10220301291 has 8 divisors (see below), whose sum is σ = 13630167040. Its totient is φ = 6811984872.

The previous prime is 10220301257. The next prime is 10220301331. The reversal of 10220301291 is 19210302201.

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

It is not a de Polignac number, because 10220301291 - 210 = 10220300267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220300291) 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, 371851 + ... + 398388.

It is an arithmetic number, because the mean of its divisors is an integer number (1703770880).

Almost surely, 210220301291 is an apocalyptic number.

10220301291 is a deficient number, since it is larger than the sum of its proper divisors (3409865749).

10220301291 is an equidigital number, since it uses as much as digits as its factorization.

10220301291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774665.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 10220301291 its reverse (19210302201), we get a palindrome (29430603492).

The spelling of 10220301291 in words is "ten billion, two hundred twenty million, three hundred one thousand, two hundred ninety-one".

Divisors: 1 3 4423 13269 770239 2310717 3406767097 10220301291