Base | Representation |
---|---|
bin | 100101111100011011… |
… | …000100000000000000 |
3 | 10220011101120220211002 |
4 | 211330123010000000 |
5 | 1131414444042340 |
6 | 30414450111132 |
7 | 2641425525332 |
oct | 457433040000 |
9 | 126141526732 |
10 | 40742174720 |
11 | 16307993985 |
12 | 7a9057b4a8 |
13 | 3ac3a6a2c0 |
14 | 1d86da3452 |
15 | 10d6c3a715 |
hex | 97c6c4000 |
40742174720 has 240 divisors, whose sum is σ = 107058439488. Its totient is φ = 14792785920.
The previous prime is 40742174713. The next prime is 40742174729. The reversal of 40742174720 is 2747124704.
It is not an unprimeable number, because it can be changed into a prime (40742174729) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71352035 + ... + 71352605.
Almost surely, 240742174720 is an apocalyptic number.
40742174720 is a gapful number since it is divisible by the number (40) 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 40742174720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53529219744).
40742174720 is an abundant number, since it is smaller than the sum of its proper divisors (66316264768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40742174720 is an equidigital number, since it uses as much as digits as its factorization.
40742174720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 684 (or 658 counting only the distinct ones).
The product of its (nonzero) digits is 87808, while the sum is 38.
The spelling of 40742174720 in words is "forty billion, seven hundred forty-two million, one hundred seventy-four thousand, seven hundred twenty".
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