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213254452312 = 23112423346049
BaseRepresentation
bin1100011010011011110…
…1001011010001011000
3202101110001212121220121
43012212331023101120
511443221114433222
6241545011003024
721256433636056
oct3064675132130
9671401777817
10213254452312
1182493640420
12353b6599474
1317157331c75
14a4705651d6
155831dd95c7
hex31a6f4b458

213254452312 has 16 divisors (see below), whose sum is σ = 436202289000. Its totient is φ = 96933841920.

The previous prime is 213254452303. The next prime is 213254452319.

213254452312 is nontrivially palindromic in base 10.

213254452312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2132544523122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213254452319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1211672937 + ... + 1211673112.

Almost surely, 2213254452312 is an apocalyptic number.

213254452312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213254452312 is an abundant number, since it is smaller than the sum of its proper divisors (222947836688).

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

213254452312 is a wasteful number, since it uses less digits than its factorization.

213254452312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423346066 (or 2423346062 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

It can be divided in two parts, 213254 and 452312, that added together give a palindrome (665566).

The spelling of 213254452312 in words is "two hundred thirteen billion, two hundred fifty-four million, four hundred fifty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 2423346049 4846692098 9693384196 19386768392 26656806539 53313613078 106627226156 213254452312