Base | Representation |
---|---|
bin | 11000011110100000… |
… | …011001011101000000 |
3 | 2111211121111021111112 |
4 | 120132200121131000 |
5 | 412311043104440 |
6 | 20023522102452 |
7 | 1620166011530 |
oct | 303640313500 |
9 | 74747437445 |
10 | 26281613120 |
11 | 10167315a24 |
12 | 51157aaa28 |
13 | 262ac04389 |
14 | 13b467d4c0 |
15 | a3c47e965 |
hex | 61e819740 |
26281613120 has 56 divisors (see below), whose sum is σ = 71523538944. Its totient is φ = 9010838016.
The previous prime is 26281613119. The next prime is 26281613177. The reversal of 26281613120 is 2131618262.
It is a tau number, because it is divible by the number of its divisors (56).
It is a super-2 number, since 2×262816131202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5864192 + ... + 5868671.
Almost surely, 226281613120 is an apocalyptic number.
26281613120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
26281613120 is an abundant number, since it is smaller than the sum of its proper divisors (45241925824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26281613120 is a wasteful number, since it uses less digits than its factorization.
26281613120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11732887 (or 11732877 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The spelling of 26281613120 in words is "twenty-six billion, two hundred eighty-one million, six hundred thirteen thousand, one hundred twenty".
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