Base | Representation |
---|---|
bin | 101001001000110… |
… | …1101001010101100 |
3 | 10120012102020000000 |
4 | 1102101231022230 |
5 | 10311333420124 |
6 | 344550104300 |
7 | 46130656362 |
oct | 12221551254 |
9 | 3505366000 |
10 | 1380373164 |
11 | 649203875 |
12 | 32634b090 |
13 | 18cc99171 |
14 | d1483632 |
15 | 812b96c9 |
hex | 5246d2ac |
1380373164 has 48 divisors (see below), whose sum is σ = 3622950240. Its totient is φ = 460121472.
The previous prime is 1380373079. The next prime is 1380373207. The reversal of 1380373164 is 4613730831.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70149 + ... + 87644.
It is an arithmetic number, because the mean of its divisors is an integer number (75478130).
Almost surely, 21380373164 is an apocalyptic number.
It is an amenable number.
1380373164 is an abundant number, since it is smaller than the sum of its proper divisors (2242577076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380373164 is an equidigital number, since it uses as much as digits as its factorization.
1380373164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157818 (or 157798 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 1380373164 is about 37153.3735211219. The cubic root of 1380373164 is about 1113.4366244142.
It can be divided in two parts, 1380 and 373164, that added together give a square (374544 = 6122).
The spelling of 1380373164 in words is "one billion, three hundred eighty million, three hundred seventy-three thousand, one hundred sixty-four".
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