Base | Representation |
---|---|
bin | 100010101101100100… |
… | …0110001010111011000 |
3 | 21010102001200122001202 |
4 | 1011123020301113120 |
5 | 2210131112020130 |
6 | 54124513133332 |
7 | 5246154016664 |
oct | 1053310612730 |
9 | 233361618052 |
10 | 74543470040 |
11 | 29682933396 |
12 | 1254455a248 |
13 | 704c831270 |
14 | 38721d98a4 |
15 | 1e14439145 |
hex | 115b2315d8 |
74543470040 has 64 divisors (see below), whose sum is σ = 181943163360. Its totient is φ = 27322813440.
The previous prime is 74543470033. The next prime is 74543470063. The reversal of 74543470040 is 4007434547.
It is a junction number, because it is equal to n+sod(n) for n = 74543469976 and 74543470003.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451946 + ... + 594425.
Almost surely, 274543470040 is an apocalyptic number.
It is an amenable number.
74543470040 is an abundant number, since it is smaller than the sum of its proper divisors (107399693320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74543470040 is a wasteful number, since it uses less digits than its factorization.
74543470040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1046532 (or 1046528 counting only the distinct ones).
The product of its (nonzero) digits is 188160, while the sum is 38.
The spelling of 74543470040 in words is "seventy-four billion, five hundred forty-three million, four hundred seventy thousand, forty".
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