Base | Representation |
---|---|
bin | 11100101000010000… |
… | …110001010000100001 |
3 | 2221100100012210101202 |
4 | 130220100301100201 |
5 | 1000424001141102 |
6 | 22042154210545 |
7 | 2135525601650 |
oct | 345020612041 |
9 | 87310183352 |
10 | 30740255777 |
11 | 12045089170 |
12 | 5b5aa23a55 |
13 | 2b8b85a57a |
14 | 16b88a1197 |
15 | bedaede02 |
hex | 728431421 |
30740255777 has 8 divisors (see below), whose sum is σ = 38325513792. Its totient is φ = 23953446000.
The previous prime is 30740255761. The next prime is 30740255789. The reversal of 30740255777 is 77755204703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30740255777 - 24 = 30740255761 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30740255717) 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, 199611974 + ... + 199612127.
It is an arithmetic number, because the mean of its divisors is an integer number (4790689224).
Almost surely, 230740255777 is an apocalyptic number.
It is an amenable number.
30740255777 is a deficient number, since it is larger than the sum of its proper divisors (7585258015).
30740255777 is a wasteful number, since it uses less digits than its factorization.
30740255777 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 399224119.
The product of its (nonzero) digits is 1440600, while the sum is 47.
The spelling of 30740255777 in words is "thirty billion, seven hundred forty million, two hundred fifty-five thousand, seven hundred seventy-seven".
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