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213452045401 = 7191604902597
BaseRepresentation
bin1100011011001010111…
…0111011110001011001
3202101221211200101200011
43012302232323301121
511444122210423101
6242020350041521
721264353310160
oct3066256736131
9671854611604
10213452045401
1182585129aa1
12354507a92a1
131718925585a
14a48c8bc3d7
15584441a751
hex31b2bbbc59

213452045401 has 8 divisors (see below), whose sum is σ = 256784415680. Its totient is φ = 173329480368.

The previous prime is 213452045369. The next prime is 213452045449. The reversal of 213452045401 is 104540254312.

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

It is a cyclic number.

It is not a de Polignac number, because 213452045401 - 25 = 213452045369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213452045201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802451166 + ... + 802451431.

It is an arithmetic number, because the mean of its divisors is an integer number (32098051960).

Almost surely, 2213452045401 is an apocalyptic number.

It is an amenable number.

213452045401 is a deficient number, since it is larger than the sum of its proper divisors (43332370279).

213452045401 is a wasteful number, since it uses less digits than its factorization.

213452045401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604902623.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 213452045401 its reverse (104540254312), we get a palindrome (317992299713).

The spelling of 213452045401 in words is "two hundred thirteen billion, four hundred fifty-two million, forty-five thousand, four hundred one".

Divisors: 1 7 19 133 1604902597 11234318179 30493149343 213452045401