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10200131310 = 23523107138157
BaseRepresentation
bin10010111111111100…
…11010011011101110
3222022212100100200010
421133332122123232
5131342213200220
64404052114050
7510524454105
oct113776323356
928285310603
1010200131310
114364787696
121b88005926
13c672bc475
146ca97b03c
153ea7411e0
hex25ff9a6ee

10200131310 has 64 divisors (see below), whose sum is σ = 25783598592. Its totient is φ = 2577438336.

The previous prime is 10200131309. The next prime is 10200131317. The reversal of 10200131310 is 1313100201.

It is a super-2 number, since 2×102001313102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200131317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4752 + ... + 142908.

It is an arithmetic number, because the mean of its divisors is an integer number (402868728).

Almost surely, 210200131310 is an apocalyptic number.

10200131310 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 10200131310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12891799296).

10200131310 is an abundant number, since it is smaller than the sum of its proper divisors (15583467282).

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

10200131310 is a wasteful number, since it uses less digits than its factorization.

10200131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138297.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10200131310 its reverse (1313100201), we get a palindrome (11513231511).

The spelling of 10200131310 in words is "ten billion, two hundred million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 107 115 138 214 230 321 345 535 642 690 1070 1605 2461 3210 4922 7383 12305 14766 24610 36915 73830 138157 276314 414471 690785 828942 1381570 2072355 3177611 4144710 6355222 9532833 14782799 15888055 19065666 29565598 31776110 44348397 47664165 73913995 88696794 95328330 147827990 221741985 340004377 443483970 680008754 1020013131 1700021885 2040026262 3400043770 5100065655 10200131310