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10213130000 = 24549710529
BaseRepresentation
bin10011000001011111…
…11111111100010000
3222100202210202112002
421200233333330100
5131404030130000
64405234453132
7511043113133
oct114057777420
928322722462
1010213130000
114371055807
121b904341a8
13c69bc0bb8
146cc5a221a
153eb95c8d5
hex260bfff10

10213130000 has 100 divisors (see below), whose sum is σ = 24984299340. Its totient is φ = 4042752000.

The previous prime is 10213129973. The next prime is 10213130003. The reversal of 10213130000 is 3131201.

It can be written as a sum of positive squares in 10 ways, for example, as 6544162816 + 3668967184 = 80896^2 + 60572^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (10213130003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 964736 + ... + 975264.

Almost surely, 210213130000 is an apocalyptic number.

10213130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10213130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12492149670).

10213130000 is an abundant number, since it is smaller than the sum of its proper divisors (14771169340).

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

10213130000 is an equidigital number, since it uses as much as digits as its factorization.

10213130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10654 (or 10633 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 10213130000 its reverse (3131201), we get a palindrome (10216261201).

The spelling of 10213130000 in words is "ten billion, two hundred thirteen million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 97 100 125 194 200 250 388 400 485 500 625 776 970 1000 1250 1552 1940 2000 2425 2500 3880 4850 5000 7760 9700 10000 10529 12125 19400 21058 24250 38800 42116 48500 52645 60625 84232 97000 105290 121250 168464 194000 210580 242500 263225 421160 485000 526450 842320 970000 1021313 1052900 1316125 2042626 2105800 2632250 4085252 4211600 5106565 5264500 6580625 8170504 10213130 10529000 13161250 16341008 20426260 21058000 25532825 26322500 40852520 51065650 52645000 81705040 102131300 105290000 127664125 204262600 255328250 408525200 510656500 638320625 1021313000 1276641250 2042626000 2553282500 5106565000 10213130000