Base | Representation |
---|---|
bin | 111010101000101110… |
… | …1100001011000100000 |
3 | 110001000122002121202000 |
4 | 1311101131201120200 |
5 | 4030341202314432 |
6 | 133502554324000 |
7 | 12045301446420 |
oct | 1652135413040 |
9 | 401018077660 |
10 | 125920744992 |
11 | 49447a834a9 |
12 | 204a2729600 |
13 | bb49a23b83 |
14 | 6147804480 |
15 | 341eb8557c |
hex | 1d51761620 |
125920744992 has 192 divisors, whose sum is σ = 419982796800. Its totient is φ = 35956189440.
The previous prime is 125920744969. The next prime is 125920745011. The reversal of 125920744992 is 299447029521.
It is a happy number.
125920744992 is a `hidden beast` number, since 1 + 2 + 592 + 0 + 7 + 4 + 49 + 9 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12326767 + ... + 12336977.
It is an arithmetic number, because the mean of its divisors is an integer number (2187410400).
Almost surely, 2125920744992 is an apocalyptic number.
125920744992 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 125920744992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209991398400).
125920744992 is an abundant number, since it is smaller than the sum of its proper divisors (294062051808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125920744992 is a wasteful number, since it uses less digits than its factorization.
125920744992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12276 (or 12262 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The spelling of 125920744992 in words is "one hundred twenty-five billion, nine hundred twenty million, seven hundred forty-four thousand, nine hundred ninety-two".
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