Base | Representation |
---|---|
bin | 100001100110000011… |
… | …0001011110011011000 |
3 | 20220012211000010212100 |
4 | 1003030012023303120 |
5 | 2140222233300013 |
6 | 53050424443400 |
7 | 5132533623063 |
oct | 1031406136330 |
9 | 226184003770 |
10 | 72143650008 |
11 | 28661234051 |
12 | 11b94919560 |
13 | 6a595a9501 |
14 | 36c55c58da |
15 | 1d238eb473 |
hex | 10cc18bcd8 |
72143650008 has 48 divisors (see below), whose sum is σ = 196084441800. Its totient is φ = 23962296960.
The previous prime is 72143649997. The next prime is 72143650013. The reversal of 72143650008 is 80005634127.
72143650008 is a `hidden beast` number, since 7 + 2 + 143 + 6 + 500 + 0 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762678 + ... + 1803141.
Almost surely, 272143650008 is an apocalyptic number.
It is an amenable number.
72143650008 is an abundant number, since it is smaller than the sum of its proper divisors (123940791792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72143650008 is a wasteful number, since it uses less digits than its factorization.
72143650008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3566112 (or 3566105 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The spelling of 72143650008 in words is "seventy-two billion, one hundred forty-three million, six hundred fifty thousand, eight".
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