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10212020210 = 257864116883
BaseRepresentation
bin10011000001010111…
…10000111111110010
3222100200201101011202
421200223300333302
5131403234121320
64405155011202
7511030511450
oct114053607762
928320641152
1010212020210
114370467a27
121b8bb99b02
13c698c2a12
146cc3939d0
153eb7ddb75
hex260af0ff2

10212020210 has 32 divisors (see below), whose sum is σ = 21011260032. Its totient is φ = 3500651520.

The previous prime is 10212020197. The next prime is 10212020219. The reversal of 10212020210 is 1202021201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10212020191 and 10212020200.

It is not an unprimeable number, because it can be changed into a prime (10212020219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596429 + ... + 613311.

It is an arithmetic number, because the mean of its divisors is an integer number (656601876).

Almost surely, 210212020210 is an apocalyptic number.

10212020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212020210 is an abundant number, since it is smaller than the sum of its proper divisors (10799239822).

10212020210 is a wasteful number, since it uses less digits than its factorization.

10212020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25538.

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

Adding to 10212020210 its reverse (1202021201), we get a palindrome (11414041411).

Subtracting from 10212020210 its reverse (1202021201), we obtain a palindrome (9009999009).

The spelling of 10212020210 in words is "ten billion, two hundred twelve million, twenty thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 8641 16883 17282 33766 43205 60487 84415 86410 118181 120974 168830 236362 302435 590905 604870 1181810 145886003 291772006 729430015 1021202021 1458860030 2042404042 5106010105 10212020210