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20344701113615 = 513187308556929
BaseRepresentation
bin1001010000000110111101…
…01011101101010100001111
32200000221020012102101102102
410220003132223231110033
510131311421441113430
6111134120543145315
74166566442111534
oct450033653552417
980027205371372
1020344701113615
11653415943663a
122346b332a523b
13b47660125818
14504990068d8b
1525432bae4345
hex1280deaed50f

20344701113615 has 8 divisors (see below), whose sum is σ = 24415492757040. Its totient is φ = 16274526610432.

The previous prime is 20344701113579. The next prime is 20344701113617. The reversal of 20344701113615 is 51631110744302.

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 20344701113615 - 26 = 20344701113551 is a prime.

It is a super-3 number, since 3×203447011136153 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344701113617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154212530 + ... + 154344399.

It is an arithmetic number, because the mean of its divisors is an integer number (3051936594630).

Almost surely, 220344701113615 is an apocalyptic number.

20344701113615 is a deficient number, since it is larger than the sum of its proper divisors (4070791643425).

20344701113615 is a wasteful number, since it uses less digits than its factorization.

20344701113615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308570121.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 20344701113615 its reverse (51631110744302), we get a palindrome (71975811857917).

The spelling of 20344701113615 in words is "twenty trillion, three hundred forty-four billion, seven hundred one million, one hundred thirteen thousand, six hundred fifteen".

Divisors: 1 5 13187 65935 308556929 1542784645 4068940222723 20344701113615