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213321123013 = 1921153210557
BaseRepresentation
bin1100011010101011101…
…1100000010011000101
3202101121201022211220211
43012222323200103011
511443340201414023
6241555351555421
721261203425225
oct3065273402305
9671551284824
10213321123013
1182518238079
123541498bb71
13171680a629b
14a47935c085
155837ba8a0d
hex31aaee04c5

213321123013 has 8 divisors (see below), whose sum is σ = 225612765920. Its totient is φ = 201135901680.

The previous prime is 213321122999. The next prime is 213321123017. The reversal of 213321123013 is 310321123312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213321123013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213321123017) 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, 26601270 + ... + 26609287.

It is an arithmetic number, because the mean of its divisors is an integer number (28201595740).

Almost surely, 2213321123013 is an apocalyptic number.

It is an amenable number.

213321123013 is a deficient number, since it is larger than the sum of its proper divisors (12291642907).

213321123013 is a wasteful number, since it uses less digits than its factorization.

213321123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53210787.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213321123013 its reverse (310321123312), we get a palindrome (523642246325).

The spelling of 213321123013 in words is "two hundred thirteen billion, three hundred twenty-one million, one hundred twenty-three thousand, thirteen".

Divisors: 1 19 211 4009 53210557 1011000583 11227427527 213321123013