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10210012220 = 2255319514937
BaseRepresentation
bin10011000001001000…
…00110110000111100
3222100112221100201202
421200210012300330
5131402230342340
64405043555032
7511004446322
oct114044066074
928315840652
1010210012220
11436a316331
121b8b38ba78
13c6936ba65
146cbdcdd12
153eb543c15
hex260906c3c

10210012220 has 48 divisors (see below), whose sum is σ = 21861197568. Its totient is φ = 4004083200.

The previous prime is 10210012207. The next prime is 10210012237. The reversal of 10210012220 is 2221001201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2065592 + ... + 2070528.

It is an arithmetic number, because the mean of its divisors is an integer number (455441616).

Almost surely, 210210012220 is an apocalyptic number.

10210012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210012220 is an abundant number, since it is smaller than the sum of its proper divisors (11651185348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10210012220 is a wasteful number, since it uses less digits than its factorization.

10210012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6950 (or 6948 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10210012220 its reverse (2221001201), we get a palindrome (12431013421).

The spelling of 10210012220 in words is "ten billion, two hundred ten million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1951 3902 4937 7804 9755 9874 19510 19748 24685 39020 49370 98740 103403 206806 261661 413612 517015 523322 1034030 1046644 1308305 2068060 2616610 5233220 9632087 19264174 38528348 48160435 96320870 192641740 510500611 1021001222 2042002444 2552503055 5105006110 10210012220