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23210121311213 = 86391872927473
BaseRepresentation
bin1010100011100000001110…
…00010010011001111101101
310001011212101021001100102112
411101300013002103033231
511020233312023424323
6121210325454333405
74613606304656654
oct521600702231755
9101155337040375
1023210121311213
1174393a2436921
12272a33a7ba265
13cc4921cb5c45
145a353953619b
152a3b363c1178
hex151c070933ed

23210121311213 has 8 divisors (see below), whose sum is σ = 23239553280768. Its totient is φ = 23180695216704.

The previous prime is 23210121311177. The next prime is 23210121311233. The reversal of 23210121311213 is 31211312101232.

It is a happy number.

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 23210121311213 - 216 = 23210121245677 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 (23210121311233) 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, 6464645 + ... + 9392117.

It is an arithmetic number, because the mean of its divisors is an integer number (2904944160096).

Almost surely, 223210121311213 is an apocalyptic number.

It is an amenable number.

23210121311213 is a deficient number, since it is larger than the sum of its proper divisors (29431969555).

23210121311213 is an equidigital number, since it uses as much as digits as its factorization.

23210121311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937523.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 23210121311213 its reverse (31211312101232), we get a palindrome (54421433412445).

The spelling of 23210121311213 in words is "twenty-three trillion, two hundred ten billion, one hundred twenty-one million, three hundred eleven thousand, two hundred thirteen".

Divisors: 1 863 9187 2927473 7928381 2526409199 26894694451 23210121311213