Base | Representation |
---|---|
bin | 100000010110111001101111… |
… | …001110000110011101111001 |
3 | 200122212211101001012111111210 |
4 | 200112321233032012131321 |
5 | 122123112031430300040 |
6 | 1222400525300113333 |
7 | 41655436662112065 |
oct | 4026715716063571 |
9 | 618784331174453 |
10 | 142311312353145 |
11 | 41387985858711 |
12 | 13b64a76695849 |
13 | 6153b8c632750 |
14 | 271dc9345aaa5 |
15 | 116bc9cd66480 |
hex | 816e6f386779 |
142311312353145 has 64 divisors (see below), whose sum is σ = 245529988591104. Its totient is φ = 69970525194240.
The previous prime is 142311312353141. The next prime is 142311312353213. The reversal of 142311312353145 is 541353213113241.
It is not a de Polignac number, because 142311312353145 - 22 = 142311312353141 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (142311312353141) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 648342684 + ... + 648562146.
It is an arithmetic number, because the mean of its divisors is an integer number (3836406071736).
Almost surely, 2142311312353145 is an apocalyptic number.
142311312353145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142311312353145 is a deficient number, since it is larger than the sum of its proper divisors (103218676237959).
142311312353145 is a wasteful number, since it uses less digits than its factorization.
142311312353145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223762.
The product of its digits is 129600, while the sum is 39.
Adding to 142311312353145 its reverse (541353213113241), we get a palindrome (683664525466386).
The spelling of 142311312353145 in words is "one hundred forty-two trillion, three hundred eleven billion, three hundred twelve million, three hundred fifty-three thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •