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212453411542 = 2887119759533
BaseRepresentation
bin1100010111011100110…
…1011100101011010110
3202022101020120112112221
43011313031130223112
511440101033132132
6241333313532554
721230536126201
oct3056715345326
9668336515487
10212453411542
1182112459659
123521227415a
131705a3a6448
14a3d6008938
1557d6908e97
hex317735cad6

212453411542 has 8 divisors (see below), whose sum is σ = 319039398576. Its totient is φ = 106106945352.

The previous prime is 212453411507. The next prime is 212453411549. The reversal of 212453411542 is 245114354212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212453411498 and 212453411507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212453411549) 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, 59877993 + ... + 59881540.

It is an arithmetic number, because the mean of its divisors is an integer number (39879924822).

Almost surely, 2212453411542 is an apocalyptic number.

212453411542 is a deficient number, since it is larger than the sum of its proper divisors (106585987034).

212453411542 is a wasteful number, since it uses less digits than its factorization.

212453411542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119760422.

The product of its digits is 38400, while the sum is 34.

Adding to 212453411542 its reverse (245114354212), we get a palindrome (457567765754).

The spelling of 212453411542 in words is "two hundred twelve billion, four hundred fifty-three million, four hundred eleven thousand, five hundred forty-two".

Divisors: 1 2 887 1774 119759533 239519066 106226705771 212453411542