Base | Representation |
---|---|
bin | 11001100001010000… |
… | …01001001101111010 |
3 | 1022100211100021202000 |
4 | 30300220021031322 |
5 | 211024341404040 |
6 | 10143302121430 |
7 | 663342204255 |
oct | 146050111572 |
9 | 38324307660 |
10 | 13700731770 |
11 | 58a0784620 |
12 | 27a4420276 |
13 | 13a460919b |
14 | 93d85409c |
15 | 552c1b130 |
hex | 330a0937a |
13700731770 has 256 divisors, whose sum is σ = 41873448960. Its totient is φ = 3155328000.
The previous prime is 13700731753. The next prime is 13700731771. The reversal of 13700731770 is 7713700731.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13700731771) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11407170 + ... + 11408370.
It is an arithmetic number, because the mean of its divisors is an integer number (163568160).
Almost surely, 213700731770 is an apocalyptic number.
13700731770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13700731770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20936724480).
13700731770 is an abundant number, since it is smaller than the sum of its proper divisors (28172717190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13700731770 is a wasteful number, since it uses less digits than its factorization.
13700731770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1418 (or 1412 counting only the distinct ones).
The product of its (nonzero) digits is 21609, while the sum is 36.
The spelling of 13700731770 in words is "thirteen billion, seven hundred million, seven hundred thirty-one thousand, seven hundred seventy".
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