Base | Representation |
---|---|
bin | 10011010111110111111… |
… | …010001100100000111110 |
3 | 11201021022212120122021000 |
4 | 103113313322030200332 |
5 | 133303002323404210 |
6 | 2455332003351130 |
7 | 165116646220422 |
oct | 23276772144076 |
9 | 4637285518230 |
10 | 1331304122430 |
11 | 47366a519757 |
12 | 1960230824a6 |
13 | 9870670b9c9 |
14 | 48614ca8b82 |
15 | 2496c2a5ac0 |
hex | 135f7e8c83e |
1331304122430 has 64 divisors (see below), whose sum is σ = 3552170771520. Its totient is φ = 354811788288.
The previous prime is 1331304122419. The next prime is 1331304122497. The reversal of 1331304122430 is 342214031331.
It is a happy number.
1331304122430 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 3 + 0 + 412 + 243 + 0 = 666.
It is a super-2 number, since 2×13313041224302 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1331304122394 and 1331304122403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 933067 + ... + 1879686.
It is an arithmetic number, because the mean of its divisors is an integer number (55502668305).
Almost surely, 21331304122430 is an apocalyptic number.
1331304122430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1331304122430 is an abundant number, since it is smaller than the sum of its proper divisors (2220866649090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1331304122430 is a wasteful number, since it uses less digits than its factorization.
1331304122430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2814522 (or 2814516 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 1331304122430 its reverse (342214031331), we get a palindrome (1673518153761).
The spelling of 1331304122430 in words is "one trillion, three hundred thirty-one billion, three hundred four million, one hundred twenty-two thousand, four hundred thirty".
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