Base | Representation |
---|---|
bin | 1011010101111000001… |
… | …10000110110110010000 |
3 | 1101020220001112002200000 |
4 | 11222330012012312100 |
5 | 22341102402233120 |
6 | 455005454530000 |
7 | 40104124632300 |
oct | 5527406066620 |
9 | 1336801462600 |
10 | 389702774160 |
11 | 1402aa0691a7 |
12 | 6363a806900 |
13 | 2a9971b49bb |
14 | 14c0c78d600 |
15 | a20c8c8990 |
hex | 5abc186d90 |
389702774160 has 720 divisors, whose sum is σ = 1583786131200. Its totient is φ = 88794703872.
The previous prime is 389702774129. The next prime is 389702774179. The reversal of 389702774160 is 61477207983.
It is a tau number, because it is divible by the number of its divisors (720).
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 389702774097 and 389702774106.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 542006281 + ... + 542006999.
It is an arithmetic number, because the mean of its divisors is an integer number (2199702960).
Almost surely, 2389702774160 is an apocalyptic number.
389702774160 is a gapful number since it is divisible by the number (30) 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 389702774160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791893065600).
389702774160 is an abundant number, since it is smaller than the sum of its proper divisors (1194083357040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389702774160 is a wasteful number, since it uses less digits than its factorization.
389702774160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1330 (or 1305 counting only the distinct ones).
The product of its (nonzero) digits is 3556224, while the sum is 54.
The spelling of 389702774160 in words is "three hundred eighty-nine billion, seven hundred two million, seven hundred seventy-four thousand, one hundred sixty".
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