Base | Representation |
---|---|
bin | 10001011101001110010111… |
… | …11111000101101001101111 |
3 | 12000220210222000102212122222 |
4 | 20232213023333011221233 |
5 | 20012420143012144143 |
6 | 213350554510225555 |
7 | 11041260103024301 |
oct | 1056471377055157 |
9 | 160823860385588 |
10 | 38387545037423 |
11 | 1126008045998a |
12 | 437b91b1b52bb |
13 | 1855c121934aa |
14 | 969d779bd971 |
15 | 468834e98768 |
hex | 22e9cbfc5a6f |
38387545037423 has 16 divisors (see below), whose sum is σ = 39701673123840. Its totient is φ = 37078176072000.
The previous prime is 38387545037407. The next prime is 38387545037447. The reversal of 38387545037423 is 32473054578383.
It is a cyclic number.
It is not a de Polignac number, because 38387545037423 - 24 = 38387545037407 is a prime.
It is a super-2 number, since 2×383875450374232 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38387545037483) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115386986 + ... + 115719192.
It is an arithmetic number, because the mean of its divisors is an integer number (2481354570240).
Almost surely, 238387545037423 is an apocalyptic number.
38387545037423 is a deficient number, since it is larger than the sum of its proper divisors (1314128086417).
38387545037423 is a wasteful number, since it uses less digits than its factorization.
38387545037423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339358.
The product of its (nonzero) digits is 203212800, while the sum is 62.
The spelling of 38387545037423 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred forty-five million, thirty-seven thousand, four hundred twenty-three".
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