Base | Representation |
---|---|
bin | 11100101000100010… |
… | …110001100100111001 |
3 | 2221100200002120212201 |
4 | 130220202301210321 |
5 | 1000431203210143 |
6 | 22042443310201 |
7 | 2135613660406 |
oct | 345042614471 |
9 | 87320076781 |
10 | 30744975673 |
11 | 12047812305 |
12 | 5b6051b361 |
13 | 2b8c8209c9 |
14 | 16b936d2ad |
15 | bee23264d |
hex | 7288b1939 |
30744975673 has 8 divisors (see below), whose sum is σ = 31030841160. Its totient is φ = 30459179520.
The previous prime is 30744975661. The next prime is 30744975689. The reversal of 30744975673 is 37657944703.
It can be written as a sum of positive squares in 4 ways, for example, as 15968871424 + 14776104249 = 126368^2 + 121557^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30744975673 - 25 = 30744975641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30744975623) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429983 + ... + 1451323.
It is an arithmetic number, because the mean of its divisors is an integer number (3878855145).
Almost surely, 230744975673 is an apocalyptic number.
It is an amenable number.
30744975673 is a deficient number, since it is larger than the sum of its proper divisors (285865487).
30744975673 is a wasteful number, since it uses less digits than its factorization.
30744975673 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34667.
The product of its (nonzero) digits is 13335840, while the sum is 55.
The spelling of 30744975673 in words is "thirty billion, seven hundred forty-four million, nine hundred seventy-five thousand, six hundred seventy-three".
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