Base | Representation |
---|---|
bin | 11101110111010011111101… |
… | …000010010100001010100111 |
3 | 122020001101201020120222112001 |
4 | 131313103331002110022213 |
5 | 114203421204324413330 |
6 | 1143202431552110131 |
7 | 36444213213033064 |
oct | 3567237502241247 |
9 | 566041636528461 |
10 | 131344345154215 |
11 | 389399077770a6 |
12 | 128934b7535347 |
13 | 5839945a00c3b |
14 | 2461159033c6b |
15 | 102b87b6a89ca |
hex | 7774fd0942a7 |
131344345154215 has 16 divisors (see below), whose sum is σ = 158306964798528. Its totient is φ = 104613074286336.
The previous prime is 131344345154179. The next prime is 131344345154219. The reversal of 131344345154215 is 512451543443131.
It is a cyclic number.
It is not a de Polignac number, because 131344345154215 - 215 = 131344345121447 is a prime.
It is a super-2 number, since 2×1313443451542152 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131344345154219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4511854 + ... + 16823956.
It is an arithmetic number, because the mean of its divisors is an integer number (9894185299908).
Almost surely, 2131344345154215 is an apocalyptic number.
131344345154215 is a deficient number, since it is larger than the sum of its proper divisors (26962619644313).
131344345154215 is a wasteful number, since it uses less digits than its factorization.
131344345154215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12321498.
The product of its digits is 1728000, while the sum is 46.
Adding to 131344345154215 its reverse (512451543443131), we get a palindrome (643795888597346).
The spelling of 131344345154215 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred forty-five million, one hundred fifty-four thousand, two hundred fifteen".
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