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213141005452 = 2279766857279
BaseRepresentation
bin1100011010000000110…
…0011010010010001100
3202101011011101221002001
43012200030122102030
511443003044133302
6241525435242044
721253555440154
oct3064014322214
9671134357061
10213141005452
11824355a5091
12353845a9324
1317139990a4b
14a45d473764
155826e7a787
hex31a031a48c

213141005452 has 12 divisors (see below), whose sum is σ = 373464766080. Its totient is φ = 106436786576.

The previous prime is 213141005449. The next prime is 213141005453. The reversal of 213141005452 is 254500141312.

It is a self number, because there is not a number n which added to its sum of digits gives 213141005452.

It is not an unprimeable number, because it can be changed into a prime (213141005453) 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, 33425452 + ... + 33431827.

It is an arithmetic number, because the mean of its divisors is an integer number (31122063840).

Almost surely, 2213141005452 is an apocalyptic number.

It is an amenable number.

213141005452 is a deficient number, since it is larger than the sum of its proper divisors (160323760628).

213141005452 is a wasteful number, since it uses less digits than its factorization.

213141005452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66858080 (or 66858078 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 213141005452 its reverse (254500141312), we get a palindrome (467641146764).

The spelling of 213141005452 in words is "two hundred thirteen billion, one hundred forty-one million, five thousand, four hundred fifty-two".

Divisors: 1 2 4 797 1594 3188 66857279 133714558 267429116 53285251363 106570502726 213141005452