Base | Representation |
---|---|
bin | 100100100111100… |
… | …0010111100101110 |
3 | 10011121222110110221 |
4 | 1021033002330232 |
5 | 10004020243011 |
6 | 321530521554 |
7 | 42306421240 |
oct | 11117027456 |
9 | 3147873427 |
10 | 1228681006 |
11 | 580616253 |
12 | 2a35962ba |
13 | 167726ca7 |
14 | b9278090 |
15 | 72d03971 |
hex | 493c2f2e |
1228681006 has 8 divisors (see below), whose sum is σ = 2106310320. Its totient is φ = 526577568.
The previous prime is 1228680991. The next prime is 1228681021. The reversal of 1228681006 is 6001868221.
It is an interprime number because it is at equal distance from previous prime (1228680991) and next prime (1228681021).
It is a sphenic number, since it is the product of 3 distinct primes.
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, 43881451 + ... + 43881478.
It is an arithmetic number, because the mean of its divisors is an integer number (263288790).
Almost surely, 21228681006 is an apocalyptic number.
1228681006 is a deficient number, since it is larger than the sum of its proper divisors (877629314).
1228681006 is an equidigital number, since it uses as much as digits as its factorization.
1228681006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87762938.
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 1228681006 is about 35052.5463554361. The cubic root of 1228681006 is about 1071.0581450117.
The spelling of 1228681006 in words is "one billion, two hundred twenty-eight million, six hundred eighty-one thousand, six".
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