Base | Representation |
---|---|
bin | 101111110110001011010… |
… | …101110101010110101100 |
3 | 102122022212112000011120200 |
4 | 233312023111311112230 |
5 | 412332244330104103 |
6 | 10554251500113500 |
7 | 456356254432500 |
oct | 57661325652654 |
9 | 12568775004520 |
10 | 3287987738028 |
11 | 10584783a6844 |
12 | 451298535890 |
13 | 1ab095ac2996 |
14 | b51d4948300 |
15 | 5a7dc55e0a3 |
hex | 2fd8b5755ac |
3287987738028 has 216 divisors, whose sum is σ = 10183397253120. Its totient is φ = 889431399360.
The previous prime is 3287987737981. The next prime is 3287987738059. The reversal of 3287987738028 is 8208377897823.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 55707613 + ... + 55766603.
Almost surely, 23287987738028 is an apocalyptic number.
3287987738028 is a gapful number since it is divisible by the number (38) 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 3287987738028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5091698626560).
3287987738028 is an abundant number, since it is smaller than the sum of its proper divisors (6895409515092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3287987738028 is a wasteful number, since it uses less digits than its factorization.
3287987738028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60697 (or 60685 counting only the distinct ones).
The product of its (nonzero) digits is 455196672, while the sum is 72.
The spelling of 3287987738028 in words is "three trillion, two hundred eighty-seven billion, nine hundred eighty-seven million, seven hundred thirty-eight thousand, twenty-eight".
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