Base | Representation |
---|---|
bin | 11101110010100110010010… |
… | …111101101111011011111100 |
3 | 122011220102122221120212221120 |
4 | 131302212102331233123330 |
5 | 114133114331403214400 |
6 | 1142353543253230540 |
7 | 36411625501245111 |
oct | 3562462275573374 |
9 | 564812587525846 |
10 | 131020443023100 |
11 | 38824504432a34 |
12 | 12840781332450 |
13 | 5815236c517a7 |
14 | 244d5cd690908 |
15 | 10232208dbca0 |
hex | 772992f6f6fc |
131020443023100 has 72 divisors (see below), whose sum is σ = 379089474356208. Its totient is φ = 34938447552000.
The previous prime is 131020443022969. The next prime is 131020443023111. The reversal of 131020443023100 is 1320344020131.
It is a happy number.
It is a super-3 number, since 3×1310204430231003 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29828400 + ... + 33937800.
Almost surely, 2131020443023100 is an apocalyptic number.
131020443023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131020443023100 is an abundant number, since it is smaller than the sum of its proper divisors (248069031333108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131020443023100 is a wasteful number, since it uses less digits than its factorization.
131020443023100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4215695 (or 4215688 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 131020443023100 its reverse (1320344020131), we get a palindrome (132340787043231).
The spelling of 131020443023100 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-three million, twenty-three thousand, one hundred".
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