Search a number
-
+
212136480292 = 221121117392389
BaseRepresentation
bin1100010110010001010…
…0011100111000100100
3202021120011012202121111
43011210110130320210
511433423414332132
6241242032554404
721216640221322
oct3054424347044
9667504182544
10212136480292
1181a6a570500
12351440b2a04
131700982ac69
14a3a5ca8d12
1557b8ba3647
hex316451ce24

212136480292 has 36 divisors (see below), whose sum is σ = 408422270620. Its totient is φ = 96339101760.

The previous prime is 212136480289. The next prime is 212136480299. The reversal of 212136480292 is 292084631212.

It can be written as a sum of positive squares in 2 ways, for example, as 114308905216 + 97827575076 = 338096^2 + 312774^2 .

It is not an unprimeable number, because it can be changed into a prime (212136480299) 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, 344434 + ... + 736822.

Almost surely, 2212136480292 is an apocalyptic number.

212136480292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212136480292 is a deficient number, since it is larger than the sum of its proper divisors (196285790328).

212136480292 is a wasteful number, since it uses less digits than its factorization.

212136480292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393532 (or 393519 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 212136480292 in words is "two hundred twelve billion, one hundred thirty-six million, four hundred eighty thousand, two hundred ninety-two".

Divisors: 1 2 4 11 22 44 121 242 484 1117 2234 4468 12287 24574 49148 135157 270314 392389 540628 784778 1569556 4316279 8632558 17265116 47479069 94958138 189916276 438298513 876597026 1753194052 4821283643 9642567286 19285134572 53034120073 106068240146 212136480292