Base | Representation |
---|---|
bin | 1000010011000100000… |
… | …1001010101001011001 |
3 | 111121221222211212222020 |
4 | 2010301001022221121 |
5 | 4313423403410410 |
6 | 145253420245053 |
7 | 13204451433306 |
oct | 2046101125131 |
9 | 447858755866 |
10 | 142556310105 |
11 | 55504358820 |
12 | 237659a0789 |
13 | 1059b378a21 |
14 | 6c84d3a0ad |
15 | 3a95371a70 |
hex | 213104aa59 |
142556310105 has 16 divisors (see below), whose sum is σ = 248825559744. Its totient is φ = 69118210880.
The previous prime is 142556310101. The next prime is 142556310131. The reversal of 142556310105 is 501013655241.
It is not a de Polignac number, because 142556310105 - 22 = 142556310101 is a prime.
It is a super-2 number, since 2×1425563101052 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (142556310101) 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, 431988654 + ... + 431988983.
It is an arithmetic number, because the mean of its divisors is an integer number (15551597484).
Almost surely, 2142556310105 is an apocalyptic number.
142556310105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142556310105 is a deficient number, since it is larger than the sum of its proper divisors (106269249639).
142556310105 is a wasteful number, since it uses less digits than its factorization.
142556310105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 863977656.
The product of its (nonzero) digits is 18000, while the sum is 33.
Adding to 142556310105 its reverse (501013655241), we get a palindrome (643569965346).
The spelling of 142556310105 in words is "one hundred forty-two billion, five hundred fifty-six million, three hundred ten thousand, one hundred five".
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