Base | Representation |
---|---|
bin | 11101110101100010111101… |
… | …100111100110100111101110 |
3 | 122012121210120000212101222120 |
4 | 131311202331213212213232 |
5 | 114144424222124244042 |
6 | 1143031005114053410 |
7 | 36432356550102423 |
oct | 3565427547464756 |
9 | 565553500771876 |
10 | 131223022103022 |
11 | 388a240a000043 |
12 | 12873a9871a266 |
13 | 582b37c69a755 |
14 | 245932a0c9d4a |
15 | 102862a4acdec |
hex | 7758bd9e69ee |
131223022103022 has 32 divisors (see below), whose sum is σ = 263002881834240. Its totient is φ = 43648291955520.
The previous prime is 131223022102847. The next prime is 131223022103029. The reversal of 131223022103022 is 220301220322131.
It is a junction number, because it is equal to n+sod(n) for n = 131223022102983 and 131223022103001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131223022103029) 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, 5578879 + ... + 17133882.
It is an arithmetic number, because the mean of its divisors is an integer number (8218840057320).
Almost surely, 2131223022103022 is an apocalyptic number.
131223022103022 is an abundant number, since it is smaller than the sum of its proper divisors (131779859731218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131223022103022 is a wasteful number, since it uses less digits than its factorization.
131223022103022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22714808.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 131223022103022 its reverse (220301220322131), we get a palindrome (351524242425153).
The spelling of 131223022103022 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, twenty-two million, one hundred three thousand, twenty-two".
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