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212200400212210 = 25136190053173137
BaseRepresentation
bin110000001111111011000001…
…011110011101000011110010
31000211100011022202001201210201
4300033323001132131003302
5210303142404423242320
62031151303523345414
762460654510121504
oct6017730136350362
91024304282051721
10212200400212210
1161682758959743
121b971a3882226a
139153547b84997
143a587a8901d74
15197ec4563a70a
hexc0fec179d0f2

212200400212210 has 32 divisors (see below), whose sum is σ = 382247819885232. Its totient is φ = 84816362311680.

The previous prime is 212200400212159. The next prime is 212200400212223. The reversal of 212200400212210 is 12212004002212.

It can be written as a sum of positive squares in 8 ways, for example, as 132653105705169 + 79547294507041 = 11517513^2 + 8918929^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225534762 + ... + 1225707898.

Almost surely, 2212200400212210 is an apocalyptic number.

212200400212210 is a deficient number, since it is larger than the sum of its proper divisors (170047419673022).

212200400212210 is a wasteful number, since it uses less digits than its factorization.

212200400212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264558.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212200400212210 its reverse (12212004002212), we get a palindrome (224412404214422).

The spelling of 212200400212210 in words is "two hundred twelve trillion, two hundred billion, four hundred million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 1361 2722 6805 13610 90053 173137 180106 346274 450265 865685 900530 1731370 122562133 235639457 245124266 471278914 612810665 1178197285 1225621330 2356394570 15591506261 31183012522 77957531305 155915062610 21220040021221 42440080042442 106100200106105 212200400212210