Base | Representation |
---|---|
bin | 10000101000010101000011… |
… | …001000000110001110000000 |
3 | 100120222010110000102222200000 |
4 | 100220111003020012032000 |
5 | 34041311433303422210 |
6 | 415320035332400000 |
7 | 21256125314433633 |
oct | 2050250310061600 |
9 | 316863400388600 |
10 | 73140124279680 |
11 | 21339609440117 |
12 | 8253067776000 |
13 | 31a7112a90763 |
14 | 140c00269bc1a |
15 | 86c820d09ac0 |
hex | 428543206380 |
73140124279680 has 192 divisors, whose sum is σ = 261916140049200. Its totient is φ = 19504033099776.
The previous prime is 73140124279643. The next prime is 73140124279681. The reversal of 73140124279680 is 8697242104137.
73140124279680 is a `hidden beast` number, since 7 + 3 + 1 + 40 + 12 + 427 + 96 + 80 = 666.
It is a tau number, because it is divible by the number of its divisors (192).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73140124279681) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234991485 + ... + 235302524.
Almost surely, 273140124279680 is an apocalyptic number.
It is an amenable number.
73140124279680 is an abundant number, since it is smaller than the sum of its proper divisors (188776015769520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73140124279680 is an equidigital number, since it uses as much as digits as its factorization.
73140124279680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 470294043 (or 470294019 counting only the distinct ones).
The product of its (nonzero) digits is 4064256, while the sum is 54.
The spelling of 73140124279680 in words is "seventy-three trillion, one hundred forty billion, one hundred twenty-four million, two hundred seventy-nine thousand, six hundred eighty".
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