Base | Representation |
---|---|
bin | 11101110010100111001101… |
… | …010101011011101101110110 |
3 | 122011220112012012021221012022 |
4 | 131302213031111123231312 |
5 | 114133123333102443220 |
6 | 1142354224354553142 |
7 | 36411661662126515 |
oct | 3562471525335566 |
9 | 564815165257168 |
10 | 131021422312310 |
11 | 388249671a0462 |
12 | 128409b52987b2 |
13 | 5815361ab9b6a |
14 | 244d68376a67c |
15 | 102327b87b925 |
hex | 7729cd55bb76 |
131021422312310 has 32 divisors (see below), whose sum is σ = 239836850104320. Its totient is φ = 51520067650912.
The previous prime is 131021422312309. The next prime is 131021422312379. The reversal of 131021422312310 is 13213224120131.
It is a super-2 number, since 2×1310214223123102 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131021422312310.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244409387 + ... + 244944873.
It is an arithmetic number, because the mean of its divisors is an integer number (7494901565760).
Almost surely, 2131021422312310 is an apocalyptic number.
131021422312310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131021422312310 is a deficient number, since it is larger than the sum of its proper divisors (108815427792010).
131021422312310 is a wasteful number, since it uses less digits than its factorization.
131021422312310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 950260.
The product of its (nonzero) digits is 1728, while the sum is 26.
Adding to 131021422312310 its reverse (13213224120131), we get a palindrome (144234646432441).
The spelling of 131021422312310 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred twenty-two million, three hundred twelve thousand, three hundred ten".
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