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10210130321 = 31742437591
BaseRepresentation
bin10011000001001001…
…00011100110010001
3222100120011100201212
421200210203212101
5131402243132241
64405050305505
7511005450536
oct114044434621
928316140655
1010210130321
11436a397036
121b8b428295
13c693b0741
146cc020d8d
153eb568beb
hex260923991

10210130321 has 8 divisors (see below), whose sum is σ = 10246102464. Its totient is φ = 10174182480.

The previous prime is 10210130303. The next prime is 10210130323. The reversal of 10210130321 is 12303101201.

10210130321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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-10210130321 is a prime.

It is a super-2 number, since 2×102101303212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210130296 and 10210130305.

It is not an unprimeable number, because it can be changed into a prime (10210130323) 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, 1341236 + ... + 1348826.

It is an arithmetic number, because the mean of its divisors is an integer number (1280762808).

Almost surely, 210210130321 is an apocalyptic number.

It is an amenable number.

10210130321 is a deficient number, since it is larger than the sum of its proper divisors (35972143).

10210130321 is an equidigital number, since it uses as much as digits as its factorization.

10210130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12151.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10210130321 its reverse (12303101201), we get a palindrome (22513231522).

The spelling of 10210130321 in words is "ten billion, two hundred ten million, one hundred thirty thousand, three hundred twenty-one".

Divisors: 1 317 4243 7591 1345031 2406347 32208613 10210130321