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20112313323 = 316381409261
BaseRepresentation
bin10010101110110010…
…011000101111101011
31220220122212101011110
4102232302120233223
5312142223011243
613123420401403
71311254561664
oct225662305753
956818771143
1020112313323
118590970753
123a936a6263
131b86a3cc1b
14d8b1a036b
157caa53e33
hex4aec98beb

20112313323 has 8 divisors (see below), whose sum is σ = 26818120336. Its totient is φ = 13407357600.

The previous prime is 20112313321. The next prime is 20112313339. The reversal of 20112313323 is 32331321102.

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

It is not a de Polignac number, because 20112313323 - 21 = 20112313321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112313323.

It is not an unprimeable number, because it can be changed into a prime (20112313321) 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, 155488 + ... + 253773.

It is an arithmetic number, because the mean of its divisors is an integer number (3352265042).

Almost surely, 220112313323 is an apocalyptic number.

20112313323 is a deficient number, since it is larger than the sum of its proper divisors (6705807013).

20112313323 is a wasteful number, since it uses less digits than its factorization.

20112313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425645.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20112313323 its reverse (32331321102), we get a palindrome (52443634425).

The spelling of 20112313323 in words is "twenty billion, one hundred twelve million, three hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 3 16381 49143 409261 1227783 6704104441 20112313323