Base | Representation |
---|---|
bin | 11000110010100111… |
… | …011010000111001000 |
3 | 2112201010100001122001 |
4 | 120302213122013020 |
5 | 414003430321034 |
6 | 20121213240344 |
7 | 1631433503560 |
oct | 306247320710 |
9 | 75633301561 |
10 | 26618995144 |
11 | 1031a802045 |
12 | 51aa7930b4 |
13 | 2682a90201 |
14 | 14073c3da0 |
15 | a5bdc4a14 |
hex | 6329da1c8 |
26618995144 has 32 divisors (see below), whose sum is σ = 58431945600. Its totient is φ = 11129892480.
The previous prime is 26618995141. The next prime is 26618995213. The reversal of 26618995144 is 44159981662.
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (26618995141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5794524 + ... + 5799115.
It is an arithmetic number, because the mean of its divisors is an integer number (1825998300).
Almost surely, 226618995144 is an apocalyptic number.
It is an amenable number.
26618995144 is an abundant number, since it is smaller than the sum of its proper divisors (31812950456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26618995144 is a wasteful number, since it uses less digits than its factorization.
26618995144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11593693 (or 11593689 counting only the distinct ones).
The product of its digits is 3732480, while the sum is 55.
The spelling of 26618995144 in words is "twenty-six billion, six hundred eighteen million, nine hundred ninety-five thousand, one hundred forty-four".
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