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10211120200 = 2352101505501
BaseRepresentation
bin10011000001010000…
…10101010001001000
3222100122000122121001
421200220111101020
5131403021321300
64405123424344
7511020042511
oct114050252110
928318018531
1010211120200
11436aa02816
121b8b8250b4
13c69669178
146cc1dba08
153eb6b216a
hex260a15448

10211120200 has 48 divisors (see below), whose sum is σ = 23975959860. Its totient is φ = 4044000000.

The previous prime is 10211120141. The next prime is 10211120209. The reversal of 10211120200 is 202111201.

It can be written as a sum of positive squares in 6 ways, for example, as 8471729764 + 1739390436 = 92042^2 + 41706^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10211120209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232551 + ... + 272950.

Almost surely, 210211120200 is an apocalyptic number.

10211120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211120200 is an abundant number, since it is smaller than the sum of its proper divisors (13764839660).

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

10211120200 is a wasteful number, since it uses less digits than its factorization.

10211120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505618 (or 505609 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10211120200 its reverse (202111201), we get a palindrome (10413231401).

The spelling of 10211120200 in words is "ten billion, two hundred eleven million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 101 200 202 404 505 808 1010 2020 2525 4040 5050 10100 20200 505501 1011002 2022004 2527505 4044008 5055010 10110020 12637525 20220040 25275050 50550100 51055601 101100200 102111202 204222404 255278005 408444808 510556010 1021112020 1276390025 2042224040 2552780050 5105560100 10211120200