Base | Representation |
---|---|
bin | 11000010101111000… |
… | …101010011110111001 |
3 | 2111110112100010022112 |
4 | 120111320222132321 |
5 | 412012031320020 |
6 | 20001314102105 |
7 | 1613461442036 |
oct | 302570523671 |
9 | 74415303275 |
10 | 26136979385 |
11 | 100a2709510 |
12 | 509527a935 |
13 | 2606c63b9a |
14 | 139d39038d |
15 | a2e9102c5 |
hex | 615e2a7b9 |
26136979385 has 16 divisors (see below), whose sum is σ = 34238140992. Its totient is φ = 18996235200.
The previous prime is 26136979333. The next prime is 26136979411. The reversal of 26136979385 is 58397963162.
It is not a de Polignac number, because 26136979385 - 214 = 26136963001 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70994 + ... + 239403.
It is an arithmetic number, because the mean of its divisors is an integer number (2139883812).
Almost surely, 226136979385 is an apocalyptic number.
It is an amenable number.
26136979385 is a deficient number, since it is larger than the sum of its proper divisors (8101161607).
26136979385 is a wasteful number, since it uses less digits than its factorization.
26136979385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311944.
The product of its digits is 14696640, while the sum is 59.
The spelling of 26136979385 in words is "twenty-six billion, one hundred thirty-six million, nine hundred seventy-nine thousand, three hundred eighty-five".
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