Base | Representation |
---|---|
bin | 10101100011100111110… |
… | …100001111111011000111 |
3 | 12020121122101101120112110 |
4 | 111203213310033323013 |
5 | 143232310120432211 |
6 | 3052305414352103 |
7 | 212011301050014 |
oct | 25434764177307 |
9 | 5217571346473 |
10 | 1481357983431 |
11 | 521270a65427 |
12 | 1bb11b95b633 |
13 | a98cb198a81 |
14 | 519ab87a70b |
15 | 28800973ea6 |
hex | 158e7d0fec7 |
1481357983431 has 32 divisors (see below), whose sum is σ = 2053030819840. Its totient is φ = 949086460800.
The previous prime is 1481357983367. The next prime is 1481357983451. The reversal of 1481357983431 is 1343897531841.
It is not a de Polignac number, because 1481357983431 - 26 = 1481357983367 is a prime.
It is a super-2 number, since 2×14813579834312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1481357983451) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11872536 + ... + 11996658.
It is an arithmetic number, because the mean of its divisors is an integer number (64157213120).
Almost surely, 21481357983431 is an apocalyptic number.
1481357983431 is a deficient number, since it is larger than the sum of its proper divisors (571672836409).
1481357983431 is a wasteful number, since it uses less digits than its factorization.
1481357983431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125047.
The product of its digits is 8709120, while the sum is 57.
The spelling of 1481357983431 in words is "one trillion, four hundred eighty-one billion, three hundred fifty-seven million, nine hundred eighty-three thousand, four hundred thirty-one".
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