Base | Representation |
---|---|
bin | 10001011111001101100111… |
… | …01110010010101110100101 |
3 | 12001011100021211022101220010 |
4 | 20233212303232102232211 |
5 | 20020030044002124320 |
6 | 213442213234400433 |
7 | 11046225666022464 |
oct | 1057466356225645 |
9 | 161140254271803 |
10 | 38455857458085 |
11 | 11287045aa1691 |
12 | 4391004a30119 |
13 | 185c4aaabcb92 |
14 | 96d3b84249db |
15 | 46a4d235aae0 |
hex | 22f9b3b92ba5 |
38455857458085 has 16 divisors (see below), whose sum is σ = 61530772368960. Its totient is φ = 20509323832320.
The previous prime is 38455857458077. The next prime is 38455857458089. The reversal of 38455857458085 is 58085475855483.
It is not a de Polignac number, because 38455857458085 - 23 = 38455857458077 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38455857457998 and 38455857458016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38455857458089) 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, 28494231 + ... + 29813300.
It is an arithmetic number, because the mean of its divisors is an integer number (3845673273060).
Almost surely, 238455857458085 is an apocalyptic number.
It is an amenable number.
38455857458085 is a deficient number, since it is larger than the sum of its proper divisors (23074914910875).
38455857458085 is a wasteful number, since it uses less digits than its factorization.
38455857458085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58351508.
The product of its (nonzero) digits is 4300800000, while the sum is 75.
The spelling of 38455857458085 in words is "thirty-eight trillion, four hundred fifty-five billion, eight hundred fifty-seven million, four hundred fifty-eight thousand, eighty-five".
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