Base | Representation |
---|---|
bin | 11101110010100110000101… |
… | …010101010110011110111000 |
3 | 122011220102002000021010210122 |
4 | 131302212011111112132320 |
5 | 114133113344332100240 |
6 | 1142353504443432412 |
7 | 36411620023351166 |
oct | 3562460525263670 |
9 | 564812060233718 |
10 | 131020214331320 |
11 | 388243a7333466 |
12 | 12840718825708 |
13 | 58151cb75cb02 |
14 | 244d5ab160236 |
15 | 102320a7b64b5 |
hex | 7729855567b8 |
131020214331320 has 32 divisors (see below), whose sum is σ = 310311033944400. Its totient is φ = 49649765430528.
The previous prime is 131020214331313. The next prime is 131020214331329. The reversal of 131020214331320 is 23133412020131.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 131020214331320.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131020214331329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86197508669 + ... + 86197510188.
Almost surely, 2131020214331320 is an apocalyptic number.
131020214331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131020214331320 is an abundant number, since it is smaller than the sum of its proper divisors (179290819613080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131020214331320 is a wasteful number, since it uses less digits than its factorization.
131020214331320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172395018887 (or 172395018883 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 131020214331320 its reverse (23133412020131), we get a palindrome (154153626351451).
The spelling of 131020214331320 in words is "one hundred thirty-one trillion, twenty billion, two hundred fourteen million, three hundred thirty-one thousand, three hundred twenty".
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