Base | Representation |
---|---|
bin | 11101000010111110110100… |
… | …111100101010011000101001 |
3 | 121202022121120001112010112220 |
4 | 131002332310330222120221 |
5 | 113221011403002223212 |
6 | 1131410422431424253 |
7 | 35623335451223004 |
oct | 3502766474523051 |
9 | 552277501463486 |
10 | 127748248086057 |
11 | 37782800722335 |
12 | 123b2571985089 |
13 | 56387ba00a081 |
14 | 237909638053b |
15 | eb8059a9638c |
hex | 742fb4f2a629 |
127748248086057 has 32 divisors (see below), whose sum is σ = 171185885049984. Its totient is φ = 84739001126400.
The previous prime is 127748248085989. The next prime is 127748248086061. The reversal of 127748248086057 is 750680842847721.
It is not a de Polignac number, because 127748248086057 - 27 = 127748248085929 is a prime.
It is a super-2 number, since 2×1277482480860572 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 127748248085982 and 127748248086000.
It is not an unprimeable number, because it can be changed into a prime (127748248086077) 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, 1769060682 + ... + 1769132892.
It is an arithmetic number, because the mean of its divisors is an integer number (5349558907812).
Almost surely, 2127748248086057 is an apocalyptic number.
It is an amenable number.
127748248086057 is a deficient number, since it is larger than the sum of its proper divisors (43437636963927).
127748248086057 is a wasteful number, since it uses less digits than its factorization.
127748248086057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75449.
The product of its (nonzero) digits is 337182720, while the sum is 69.
The spelling of 127748248086057 in words is "one hundred twenty-seven trillion, seven hundred forty-eight billion, two hundred forty-eight million, eighty-six thousand, fifty-seven".
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