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10211031200 = 255212763789
BaseRepresentation
bin10011000001001111…
…11111100010100000
3222100121212010111202
421200213333202200
5131403010444300
64405121500332
7511016222156
oct114047774240
928317763452
1010211031200
11436a951967
121b8b7a16a8
13c696377c6
146cc1b73d6
153eb695ad5
hex2609ff8a0

10211031200 has 36 divisors (see below), whose sum is σ = 24927681870. Its totient is φ = 4084412160.

The previous prime is 10211031199. The next prime is 10211031221. The reversal of 10211031200 is 213011201.

It can be written as a sum of positive squares in 3 ways, for example, as 5224976656 + 4986054544 = 72284^2 + 70612^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6381095 + ... + 6382694.

Almost surely, 210211031200 is an apocalyptic number.

10211031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211031200 is an abundant number, since it is smaller than the sum of its proper divisors (14716650670).

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

10211031200 is a wasteful number, since it uses less digits than its factorization.

10211031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763809 (or 12763796 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10211031200 its reverse (213011201), we get a palindrome (10424042401).

The spelling of 10211031200 in words is "ten billion, two hundred eleven million, thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 12763789 25527578 51055156 63818945 102110312 127637890 204220624 255275780 319094725 408441248 510551560 638189450 1021103120 1276378900 2042206240 2552757800 5105515600 10211031200