Search a number
-
+
214205445542 = 2111719313741641
BaseRepresentation
bin1100011101111110100…
…0111011010110100110
3202110220100100002101002
43013133220323112212
512002143043224132
6242223222033302
721322132150064
oct3073750732646
9673810302332
10214205445542
1182931431740
1235620b78832
1317279370b5a
14a520997034
15588a63a262
hex31dfa3b5a6

214205445542 has 256 divisors, whose sum is σ = 424935383040. Its totient is φ = 79626240000.

The previous prime is 214205445499. The next prime is 214205445547. The reversal of 214205445542 is 245544502412.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 214205445496 and 214205445505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214205445547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 334173542 + ... + 334174182.

It is an arithmetic number, because the mean of its divisors is an integer number (1659903840).

Almost surely, 2214205445542 is an apocalyptic number.

214205445542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

214205445542 is a deficient number, since it is larger than the sum of its proper divisors (210729937498).

214205445542 is a wasteful number, since it uses less digits than its factorization.

214205445542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 214205445542 its reverse (245544502412), we get a palindrome (459749947954).

The spelling of 214205445542 in words is "two hundred fourteen billion, two hundred five million, four hundred forty-five thousand, five hundred forty-two".