Search a number
-
+
212142412222 = 21331725739191
BaseRepresentation
bin1100010110010010101…
…1000101000110111110
3202021120120101010200121
43011210223011012332
511433431424142342
6241242404045154
721220041515506
oct3054453050676
9667516333617
10212142412222
1181a72952224
12351460937ba
131700ab26c90
14a3a69b0a06
1557b9476067
hex3164ac51be

212142412222 has 16 divisors (see below), whose sum is σ = 343772648352. Its totient is φ = 97603008480.

The previous prime is 212142412217. The next prime is 212142412277. The reversal of 212142412222 is 222214241212.

212142412222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12861354 + ... + 12877837.

It is an arithmetic number, because the mean of its divisors is an integer number (21485790522).

Almost surely, 2212142412222 is an apocalyptic number.

212142412222 is a deficient number, since it is larger than the sum of its proper divisors (131630236130).

212142412222 is a wasteful number, since it uses less digits than its factorization.

212142412222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25739523.

The product of its digits is 2048, while the sum is 25.

Adding to 212142412222 its reverse (222214241212), we get a palindrome (434356653434).

The spelling of 212142412222 in words is "two hundred twelve billion, one hundred forty-two million, four hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 13 26 317 634 4121 8242 25739191 51478382 334609483 669218966 8159323547 16318647094 106071206111 212142412222