Base | Representation |
---|---|
bin | 11000011001001010… |
… | …011111010111000000 |
3 | 2111121100211122112212 |
4 | 120121022133113000 |
5 | 412120121442224 |
6 | 20011001041252 |
7 | 1615030122401 |
oct | 303112372700 |
9 | 74540748485 |
10 | 26191984064 |
11 | 10120768324 |
12 | 50ab786228 |
13 | 261548222c |
14 | 13a67cb9a8 |
15 | a34677d0e |
hex | 61929f5c0 |
26191984064 has 28 divisors (see below), whose sum is σ = 52706765808. Its totient is φ = 12911539200.
The previous prime is 26191984051. The next prime is 26191984081. The reversal of 26191984064 is 46048919162.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2877497 + ... + 2886584.
Almost surely, 226191984064 is an apocalyptic number.
It is an amenable number.
26191984064 is an abundant number, since it is smaller than the sum of its proper divisors (26514781744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26191984064 is an equidigital number, since it uses as much as digits as its factorization.
26191984064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5764164 (or 5764154 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 50.
It can be divided in two parts, 2619198 and 4064, that added together give a palindrome (2623262).
The spelling of 26191984064 in words is "twenty-six billion, one hundred ninety-one million, nine hundred eighty-four thousand, sixty-four".
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