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210222020000 = 255410511101
BaseRepresentation
bin1100001111001000110…
…1010111010110100000
3202002121201211002210202
43003302031113112200
511421013314120000
6240324043244332
721121332454406
oct3036215272640
9662551732722
10210222020000
1181177939113
12348aab196a8
1316a93003615
14a263919476
155705a8add5
hex30f23575a0

210222020000 has 60 divisors (see below), whose sum is σ = 517177751706. Its totient is φ = 84088800000.

The previous prime is 210222019993. The next prime is 210222020011. The reversal of 210222020000 is 20222012.

It can be written as a sum of positive squares in 5 ways, for example, as 1040191504 + 209181828496 = 32252^2 + 457364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5235551 + ... + 5275550.

Almost surely, 2210222020000 is an apocalyptic number.

210222020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210222020000 is an abundant number, since it is smaller than the sum of its proper divisors (306955731706).

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

210222020000 is an equidigital number, since it uses as much as digits as its factorization.

210222020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10511131 (or 10511108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 210222020000 its reverse (20222012), we get a palindrome (210242242012).

The spelling of 210222020000 in words is "two hundred ten billion, two hundred twenty-two million, twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 10511101 21022202 42044404 52555505 84088808 105111010 168177616 210222020 262777525 336355232 420444040 525555050 840888080 1051110100 1313887625 1681776160 2102220200 2627775250 4204440400 5255550500 6569438125 8408880800 10511101000 13138876250 21022202000 26277752500 42044404000 52555505000 105111010000 210222020000