Base | Representation |
---|---|
bin | 100010011110100100… |
… | …0011100001111100000 |
3 | 21002002222110002222012 |
4 | 1010331020130033200 |
5 | 2203113224121130 |
6 | 54002531332052 |
7 | 5230532120522 |
oct | 1047510341740 |
9 | 232088402865 |
10 | 74040067040 |
11 | 29444762255 |
12 | 12423a51028 |
13 | 6c9c457274 |
14 | 38253d9a12 |
15 | 1dd514c995 |
hex | 113d21c3e0 |
74040067040 has 48 divisors (see below), whose sum is σ = 180951382080. Its totient is φ = 28594782720.
The previous prime is 74040067033. The next prime is 74040067061. The reversal of 74040067040 is 4076004047.
It is a super-3 number, since 3×740400670403 (a number of 34 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 74040066988 and 74040067006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7973816 + ... + 7983095.
It is an arithmetic number, because the mean of its divisors is an integer number (3769820460).
Almost surely, 274040067040 is an apocalyptic number.
It is an amenable number.
74040067040 is an abundant number, since it is smaller than the sum of its proper divisors (106911315040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74040067040 is a wasteful number, since it uses less digits than its factorization.
74040067040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15956955 (or 15956947 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 32.
The spelling of 74040067040 in words is "seventy-four billion, forty million, sixty-seven thousand, forty".
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