Base | Representation |
---|---|
bin | 11101111000110010011111… |
… | …000111000001001110000010 |
3 | 122020102002201012010110000201 |
4 | 131320302133013001032002 |
5 | 114212102044211403010 |
6 | 1143321220022035414 |
7 | 36454435443435421 |
oct | 3570623707011602 |
9 | 566362635113021 |
10 | 131445848544130 |
11 | 389789647982aa |
12 | 128ab104878b6a |
13 | 58463a0b1b8c3 |
14 | 24660279db2b8 |
15 | 102e31c8ac23a |
hex | 778c9f1c1382 |
131445848544130 has 64 divisors (see below), whose sum is σ = 255883791260160. Its totient is φ = 48426319079424.
The previous prime is 131445848544119. The next prime is 131445848544133. The reversal of 131445848544130 is 31445848544131.
It is a super-2 number, since 2×1314458485441302 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131445848544133) 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 31 ways as a sum of consecutive naturals, for example, 60641686 + ... + 62771854.
It is an arithmetic number, because the mean of its divisors is an integer number (3998184238440).
Almost surely, 2131445848544130 is an apocalyptic number.
131445848544130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131445848544130 is a deficient number, since it is larger than the sum of its proper divisors (124437942716030).
131445848544130 is a wasteful number, since it uses less digits than its factorization.
131445848544130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2137963.
The product of its (nonzero) digits is 14745600, while the sum is 55.
Subtracting from 131445848544130 its reverse (31445848544131), we obtain a palindrome (99999999999999).
The spelling of 131445848544130 in words is "one hundred thirty-one trillion, four hundred forty-five billion, eight hundred forty-eight million, five hundred forty-four thousand, one hundred thirty".
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