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10131204210 = 2353754116871
BaseRepresentation
bin10010110111101110…
…11110100001110010
3222011001122111110120
421123313132201302
5131222042013320
64353150511110
7506026546341
oct113367364162
928131574416
1010131204210
114329889746
121b68b05496
13c55c380ba
146c1757b58
153e4678440
hex25bdde872

10131204210 has 64 divisors (see below), whose sum is σ = 25019691264. Its totient is φ = 2623622400.

The previous prime is 10131204203. The next prime is 10131204211. The reversal of 10131204210 is 1240213101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10131204210.

It is not an unprimeable number, because it can be changed into a prime (10131204211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592075 + ... + 608945.

It is an arithmetic number, because the mean of its divisors is an integer number (390932676).

Almost surely, 210131204210 is an apocalyptic number.

10131204210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131204210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12509845632).

10131204210 is an abundant number, since it is smaller than the sum of its proper divisors (14888487054).

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

10131204210 is a wasteful number, since it uses less digits than its factorization.

10131204210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17459.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10131204210 its reverse (1240213101), we get a palindrome (11371417311).

The spelling of 10131204210 in words is "ten billion, one hundred thirty-one million, two hundred four thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 541 555 1082 1110 1623 2705 3246 5410 8115 16230 16871 20017 33742 40034 50613 60051 84355 100085 101226 120102 168710 200170 253065 300255 506130 600510 624227 1248454 1872681 3121135 3745362 6242270 9127211 9363405 18254422 18726810 27381633 45636055 54763266 91272110 136908165 273816330 337706807 675413614 1013120421 1688534035 2026240842 3377068070 5065602105 10131204210