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211002010000 = 245453398117
BaseRepresentation
bin1100010010000010110…
…0110010100110010000
3202011122002111200221021
43010200230302212100
511424113003310000
6240533305205224
721146553330625
oct3044054624620
9664562450837
10211002010000
1181538152151
1234a88190814
1316b8879b672
14a2d935634c
15574e2ae11a
hex3120b32990

211002010000 has 100 divisors (see below), whose sum is σ = 520497084492. Its totient is φ = 82808128000.

The previous prime is 211002009943. The next prime is 211002010039. The reversal of 211002010000 is 10200112.

It can be written as a sum of positive squares in 10 ways, for example, as 85002568704 + 125999441296 = 291552^2 + 354964^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 330942 + ... + 729058.

Almost surely, 2211002010000 is an apocalyptic number.

211002010000 is a gapful number since it is divisible by the number (20) 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 211002010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260248542246).

211002010000 is an abundant number, since it is smaller than the sum of its proper divisors (309495074492).

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

211002010000 is an equidigital number, since it uses as much as digits as its factorization.

211002010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398198 (or 398177 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 211002010000 its reverse (10200112), we get a palindrome (211012210112).

The spelling of 211002010000 in words is "two hundred eleven billion, two million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 125 200 212 250 265 400 424 500 530 625 848 1000 1060 1250 1325 2000 2120 2500 2650 4240 5000 5300 6625 10000 10600 13250 21200 26500 33125 53000 66250 106000 132500 265000 398117 530000 796234 1592468 1990585 3184936 3981170 6369872 7962340 9952925 15924680 19905850 21100201 31849360 39811700 42200402 49764625 79623400 84400804 99529250 105501005 159246800 168801608 199058500 211002010 248823125 337603216 398117000 422004020 497646250 527505025 796234000 844008040 995292500 1055010050 1688016080 1990585000 2110020100 2637525125 3981170000 4220040200 5275050250 8440080400 10550100500 13187625625 21100201000 26375251250 42200402000 52750502500 105501005000 211002010000