Base | Representation |
---|---|
bin | 100100000000000… |
… | …1110000100000000 |
3 | 10010012002122000000 |
4 | 1020000032010000 |
5 | 4433223022102 |
6 | 315512000000 |
7 | 41635655616 |
oct | 11000160400 |
9 | 3105078000 |
10 | 1208017152 |
11 | 56a992191 |
12 | 298690000 |
13 | 163370664 |
14 | b66196b6 |
15 | 710c101c |
hex | 4800e100 |
1208017152 has 126 divisors (see below), whose sum is σ = 3615877902. Its totient is φ = 402610176.
The previous prime is 1208017117. The next prime is 1208017163. The reversal of 1208017152 is 2517108021.
It can be written as a sum of positive squares in only one way, i.e., 862949376 + 345067776 = 29376^2 + 18576^2 .
It is a super-2 number, since 2×12080171522 = 2918610879052382208, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 183388 + ... + 189860.
Almost surely, 21208017152 is an apocalyptic number.
1208017152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1208017152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807938951).
1208017152 is an abundant number, since it is smaller than the sum of its proper divisors (2407860750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1208017152 is an frugal number, since it uses more digits than its factorization.
1208017152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6507 (or 6478 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 27.
The square root of 1208017152 is about 34756.5411397625. The cubic root of 1208017152 is about 1065.0198448990.
The spelling of 1208017152 in words is "one billion, two hundred eight million, seventeen thousand, one hundred fifty-two".
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