Base | Representation |
---|---|
bin | 10011000110110100001… |
… | …011011111011010101110 |
3 | 11122112001101102222120202 |
4 | 103012310023133122232 |
5 | 133002444402431210 |
6 | 2443102304113502 |
7 | 163601031213302 |
oct | 23066413373256 |
9 | 4575041388522 |
10 | 1312987936430 |
11 | 466920508055 |
12 | 192571005892 |
13 | 96a77b34221 |
14 | 47798493d02 |
15 | 242492929a5 |
hex | 131b42df6ae |
1312987936430 has 16 divisors (see below), whose sum is σ = 2364207301584. Its totient is φ = 525010948800.
The previous prime is 1312987936387. The next prime is 1312987936433. The reversal of 1312987936430 is 346397892131.
It is a super-3 number, since 3×13129879364303 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312987936433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22998287 + ... + 23055306.
It is an arithmetic number, because the mean of its divisors is an integer number (147762956349).
Almost surely, 21312987936430 is an apocalyptic number.
1312987936430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312987936430 is a deficient number, since it is larger than the sum of its proper divisors (1051219365154).
1312987936430 is a wasteful number, since it uses less digits than its factorization.
1312987936430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46056451.
The product of its (nonzero) digits is 5878656, while the sum is 56.
The spelling of 1312987936430 in words is "one trillion, three hundred twelve billion, nine hundred eighty-seven million, nine hundred thirty-six thousand, four hundred thirty".
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