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20344152023015 = 56760728812009
BaseRepresentation
bin1001010000000101111011…
…11101000101111111100111
32200000212210221012200201112
410220002331331011333213
510131304310404214030
6111133550250215235
74166550023655362
oct450027575057747
980025727180645
1020344152023015
1165339a749a757
1223469bb42451b
13b475a3443242
1450493b1750d9
152542e87d0a95
hex1280bdf45fe7

20344152023015 has 8 divisors (see below), whose sum is σ = 24777355300080. Its totient is φ = 16032406370112.

The previous prime is 20344152022963. The next prime is 20344152023017. The reversal of 20344152023015 is 51032025144302.

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 20344152023015 - 28 = 20344152022759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344152023017) 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, 30364405670 + ... + 30364406339.

It is an arithmetic number, because the mean of its divisors is an integer number (3097169412510).

Almost surely, 220344152023015 is an apocalyptic number.

20344152023015 is a deficient number, since it is larger than the sum of its proper divisors (4433203277065).

20344152023015 is an equidigital number, since it uses as much as digits as its factorization.

20344152023015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60728812081.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20344152023015 its reverse (51032025144302), we get a palindrome (71376177167317).

The spelling of 20344152023015 in words is "twenty trillion, three hundred forty-four billion, one hundred fifty-two million, twenty-three thousand, fifteen".

Divisors: 1 5 67 335 60728812009 303644060045 4068830404603 20344152023015