Base | Representation |
---|---|
bin | 101100001110100100100001… |
… | …1101000000100110011010110 |
3 | 1220000102222012010210120210010 |
4 | 1120131021003220010303112 |
5 | 401442334314133102430 |
6 | 3455222121143541050 |
7 | 144641352654014211 |
oct | 13035110350046326 |
9 | 1800388163716703 |
10 | 389030682315990 |
11 | 102a58a93181930 |
12 | 3777090445a786 |
13 | 1390c588978c80 |
14 | 6c0d284db0778 |
15 | 2ee98aa42acb0 |
hex | 161d243a04cd6 |
389030682315990 has 128 divisors (see below), whose sum is σ = 1096910630323200. Its totient is φ = 87055234813440.
The previous prime is 389030682315941. The next prime is 389030682315991. The reversal of 389030682315990 is 99513286030983.
It is a happy number.
It is a super-3 number, since 3×3890306823159903 (a number of 45 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389030682315991) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1147958991 + ... + 1148297829.
It is an arithmetic number, because the mean of its divisors is an integer number (8569614299400).
Almost surely, 2389030682315990 is an apocalyptic number.
389030682315990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
389030682315990 is an abundant number, since it is smaller than the sum of its proper divisors (707879948007210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389030682315990 is a wasteful number, since it uses less digits than its factorization.
389030682315990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 606502.
The product of its (nonzero) digits is 75582720, while the sum is 66.
The spelling of 389030682315990 in words is "three hundred eighty-nine trillion, thirty billion, six hundred eighty-two million, three hundred fifteen thousand, nine hundred ninety".
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