Search a number
-
+
10212212202210 = 2325113469024469
BaseRepresentation
bin1001010010011011011101…
…0001111101101011100010
31100011021111121221002101100
42110212313101331223202
52314304102310432320
633415231525015230
72102544065323344
oct224466721755342
940137447832340
1010212212202210
113287a7a613517
12118b241254516
13591013579545
142743b90a9294
1512a99a5a2790
hex949b747dae2

10212212202210 has 24 divisors (see below), whose sum is σ = 26551751725980. Its totient is φ = 2723256587232.

The previous prime is 10212212202197. The next prime is 10212212202211. The reversal of 10212212202210 is 1220221221201.

It is a happy number.

10212212202210 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 221 + 220 + 221 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10188653329089 + 23558873121 = 3191967^2 + 153489^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10212212202211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56734512145 + ... + 56734512324.

Almost surely, 210212212202210 is an apocalyptic number.

10212212202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212212202210 is an abundant number, since it is smaller than the sum of its proper divisors (16339539523770).

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

10212212202210 is a wasteful number, since it uses less digits than its factorization.

10212212202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113469024482 (or 113469024479 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10212212202210 its reverse (1220221221201), we get a palindrome (11432433423411).

The spelling of 10212212202210 in words is "ten trillion, two hundred twelve billion, two hundred twelve million, two hundred two thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 113469024469 226938048938 340407073407 567345122345 680814146814 1021221220221 1134690244690 1702035367035 2042442440442 3404070734070 5106106101105 10212212202210