Base | Representation |
---|---|
bin | 101001011000010… |
… | …0101111101000011 |
3 | 10120202122120212220 |
4 | 1102300211331003 |
5 | 10320422020313 |
6 | 345435422123 |
7 | 46256541510 |
oct | 12260457503 |
9 | 3522576786 |
10 | 1388470083 |
11 | 652834140 |
12 | 328bb4943 |
13 | 191872740 |
14 | d2590307 |
15 | 81d68823 |
hex | 52c25f43 |
1388470083 has 32 divisors (see below), whose sum is σ = 2485658112. Its totient is φ = 665798400.
The previous prime is 1388470081. The next prime is 1388470159. The reversal of 1388470083 is 3800748831.
It is not a de Polignac number, because 1388470083 - 21 = 1388470081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1388470081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228178 + ... + 234183.
It is an arithmetic number, because the mean of its divisors is an integer number (77676816).
Almost surely, 21388470083 is an apocalyptic number.
1388470083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1388470083 is a deficient number, since it is larger than the sum of its proper divisors (1097188029).
1388470083 is a wasteful number, since it uses less digits than its factorization.
1388470083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 462395.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 1388470083 is about 37262.1803307321. The cubic root of 1388470083 is about 1115.6094272116.
The spelling of 1388470083 in words is "one billion, three hundred eighty-eight million, four hundred seventy thousand, eighty-three".
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