Search a number
-
+
211330214144 = 287117929807
BaseRepresentation
bin1100010011010001000…
…0110010100100000000
3202012110222002012101022
43010310100302210000
511430301013323034
6241030031525012
721160650116210
oct3046420624400
9665428065338
10211330214144
118169643a845
1234b5a089768
1316c0b792bba
14a32ab8c240
15576cedeb2e
hex3134432900

211330214144 has 36 divisors (see below), whose sum is σ = 482097055104. Its totient is φ = 90570091008.

The previous prime is 211330214141. The next prime is 211330214177. The reversal of 211330214144 is 441412033112.

It is not an unprimeable number, because it can be changed into a prime (211330214141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58963112 + ... + 58966695.

It is an arithmetic number, because the mean of its divisors is an integer number (13391584864).

Almost surely, 2211330214144 is an apocalyptic number.

It is an amenable number.

211330214144 is an abundant number, since it is smaller than the sum of its proper divisors (270766840960).

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

211330214144 is an equidigital number, since it uses as much as digits as its factorization.

211330214144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117929830 (or 117929816 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 211330214144 its reverse (441412033112), we get a palindrome (652742247256).

The spelling of 211330214144 in words is "two hundred eleven billion, three hundred thirty million, two hundred fourteen thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 117929807 235859614 471719228 825508649 943438456 1651017298 1886876912 3302034596 3773753824 6604069192 7547507648 13208138384 15095015296 26416276768 30190030592 52832553536 105665107072 211330214144