Base | Representation |
---|---|
bin | 100101111100101000… |
… | …010010000001011110 |
3 | 10220011122002222022220 |
4 | 211330220102001132 |
5 | 1131421340440110 |
6 | 30415052250210 |
7 | 2641500140304 |
oct | 457450220136 |
9 | 126148088286 |
10 | 40745640030 |
11 | 16309940477 |
12 | 7a91770966 |
13 | 3ac46b1694 |
14 | 1d87626274 |
15 | 10d71c2370 |
hex | 97ca1205e |
40745640030 has 64 divisors (see below), whose sum is σ = 106485926400. Its totient is φ = 9938678400.
The previous prime is 40745639969. The next prime is 40745640073. The reversal of 40745640030 is 3004654704.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 40745639973 and 40745640000.
It is a congruent number.
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, 1215946 + ... + 1249005.
It is an arithmetic number, because the mean of its divisors is an integer number (1663842600).
Almost surely, 240745640030 is an apocalyptic number.
40745640030 is an abundant number, since it is smaller than the sum of its proper divisors (65740286370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40745640030 is a wasteful number, since it uses less digits than its factorization.
40745640030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2465009.
The product of its (nonzero) digits is 40320, while the sum is 33.
The spelling of 40745640030 in words is "forty billion, seven hundred forty-five million, six hundred forty thousand, thirty".
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