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213220232023013 = 1729432495399641
BaseRepresentation
bin110000011110110000110100…
…001100000100101111100101
31000221221122200120112112022222
4300132300310030010233211
5210421400013344214023
62033252004454402125
762624440055360105
oct6036606414045745
91027848616475288
10213220232023013
1161a36213378616
121bab7614360345
1391c8773a2b0c7
143a91cb2b6d205
15199b532e98cc8
hexc1ec34304be5

213220232023013 has 8 divisors (see below), whose sum is σ = 233547515806680. Its totient is φ = 193757939038720.

The previous prime is 213220232022989. The next prime is 213220232023037. The reversal of 213220232023013 is 310320232022312.

It is an interprime number because it is at equal distance from previous prime (213220232022989) and next prime (213220232023037).

It can be written as a sum of positive squares in 4 ways, for example, as 9720820259329 + 203499411763684 = 3117823^2 + 14265322^2 .

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 213220232023013 - 220 = 213220230974437 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 (213220232023063) 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, 216247699328 + ... + 216247700313.

It is an arithmetic number, because the mean of its divisors is an integer number (29193439475835).

Almost surely, 2213220232023013 is an apocalyptic number.

It is an amenable number.

213220232023013 is a deficient number, since it is larger than the sum of its proper divisors (20327283783667).

213220232023013 is a wasteful number, since it uses less digits than its factorization.

213220232023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432495399687.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 213220232023013 its reverse (310320232022312), we get a palindrome (523540464045325).

The spelling of 213220232023013 in words is "two hundred thirteen trillion, two hundred twenty billion, two hundred thirty-two million, twenty-three thousand, thirteen".

Divisors: 1 17 29 493 432495399641 7352421793897 12542366589589 213220232023013