Base | Representation |
---|---|
bin | 11001000110100110… |
… | …001001000100111110 |
3 | 2120120111002121121100 |
4 | 121012212021010332 |
5 | 420200234120200 |
6 | 20214350113530 |
7 | 1642643661324 |
oct | 310646110476 |
9 | 76514077540 |
10 | 26954207550 |
11 | 10481a47096 |
12 | 5282aab8a6 |
13 | 270736964a |
14 | 1439b21d14 |
15 | a7b53bd00 |
hex | 64698913e |
26954207550 has 36 divisors (see below), whose sum is σ = 72416972160. Its totient is φ = 7187788560.
The previous prime is 26954207513. The next prime is 26954207551. The reversal of 26954207550 is 5570245962.
26954207550 is a `hidden beast` number, since 2 + 6 + 95 + 4 + 2 + 0 + 7 + 550 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 26954207496 and 26954207505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26954207551) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29948670 + ... + 29949569.
It is an arithmetic number, because the mean of its divisors is an integer number (2011582560).
Almost surely, 226954207550 is an apocalyptic number.
26954207550 is an abundant number, since it is smaller than the sum of its proper divisors (45462764610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26954207550 is a wasteful number, since it uses less digits than its factorization.
26954207550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59898257 (or 59898249 counting only the distinct ones).
The product of its (nonzero) digits is 756000, while the sum is 45.
The spelling of 26954207550 in words is "twenty-six billion, nine hundred fifty-four million, two hundred seven thousand, five hundred fifty".
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