Base | Representation |
---|---|
bin | 10100110001111010101… |
… | …010110010111101110110 |
3 | 12001111212212210220212001 |
4 | 110301322222302331312 |
5 | 141344004204301210 |
6 | 3012001441045514 |
7 | 205111565525125 |
oct | 24617252627566 |
9 | 5044785726761 |
10 | 1427987181430 |
11 | 5006735999a7 |
12 | 1b090602689a |
13 | a4873c87164 |
14 | 4d1875bdabc |
15 | 2722a1e303a |
hex | 14c7aab2f76 |
1427987181430 has 32 divisors (see below), whose sum is σ = 2572495713216. Its totient is φ = 570724232064.
The previous prime is 1427987181427. The next prime is 1427987181457. The reversal of 1427987181430 is 341817897241.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73419967 + ... + 73439413.
It is an arithmetic number, because the mean of its divisors is an integer number (80390491038).
Almost surely, 21427987181430 is an apocalyptic number.
1427987181430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1427987181430 is a deficient number, since it is larger than the sum of its proper divisors (1144508531786).
1427987181430 is a wasteful number, since it uses less digits than its factorization.
1427987181430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25128.
The product of its (nonzero) digits is 2709504, while the sum is 55.
The spelling of 1427987181430 in words is "one trillion, four hundred twenty-seven billion, nine hundred eighty-seven million, one hundred eighty-one thousand, four hundred thirty".
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