Base | Representation |
---|---|
bin | 100100100110100… |
… | …1001110111000010 |
3 | 10011121001021010022 |
4 | 1021031021313002 |
5 | 10003403410101 |
6 | 321512133442 |
7 | 42302254235 |
oct | 11115116702 |
9 | 3147037108 |
10 | 1228185026 |
11 | 580307652 |
12 | 2a3397282 |
13 | 1675b2303 |
14 | b918941c |
15 | 72c56a1b |
hex | 49349dc2 |
1228185026 has 16 divisors (see below), whose sum is σ = 1952846496. Its totient is φ = 577317696.
The previous prime is 1228185019. The next prime is 1228185031. The reversal of 1228185026 is 6205818221.
It is a happy 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, 10925 + ... + 50751.
It is an arithmetic number, because the mean of its divisors is an integer number (122052906).
Almost surely, 21228185026 is an apocalyptic number.
1228185026 is a deficient number, since it is larger than the sum of its proper divisors (724661470).
1228185026 is a wasteful number, since it uses less digits than its factorization.
1228185026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40753.
The product of its (nonzero) digits is 15360, while the sum is 35.
The square root of 1228185026 is about 35045.4708343318. The cubic root of 1228185026 is about 1070.9140080845.
The spelling of 1228185026 in words is "one billion, two hundred twenty-eight million, one hundred eighty-five thousand, twenty-six".
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