Base | Representation |
---|---|
bin | 1011010100000110001111… |
… | …0000100011101111101000 |
3 | 1122001020112221120210110200 |
4 | 2311001203300203233220 |
5 | 3112303403113303140 |
6 | 42242451035312200 |
7 | 2422516202342412 |
oct | 265014360435750 |
9 | 48036487523420 |
10 | 12439898962920 |
11 | 3a66805725620 |
12 | 148ab28bab660 |
13 | 6c3101195910 |
14 | 310146b6b9b2 |
15 | 1688cc4e4030 |
hex | b5063c23be8 |
12439898962920 has 1152 divisors, whose sum is σ = 49698230400000. Its totient is φ = 2657724825600.
The previous prime is 12439898962903. The next prime is 12439898962963. The reversal of 12439898962920 is 2926989893421.
12439898962920 is a `hidden beast` number, since 1 + 2 + 4 + 398 + 98 + 9 + 62 + 92 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is an unprimeable number.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 9959886456 + ... + 9959887704.
It is an arithmetic number, because the mean of its divisors is an integer number (43140825000).
Almost surely, 212439898962920 is an apocalyptic number.
12439898962920 is a gapful number since it is divisible by the number (10) 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 12439898962920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24849115200000).
12439898962920 is an abundant number, since it is smaller than the sum of its proper divisors (37258331437080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12439898962920 is a wasteful number, since it uses less digits than its factorization.
12439898962920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1479 (or 1393 counting only the distinct ones).
The product of its (nonzero) digits is 241864704, while the sum is 72.
The spelling of 12439898962920 in words is "twelve trillion, four hundred thirty-nine billion, eight hundred ninety-eight million, nine hundred sixty-two thousand, nine hundred twenty".
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