Search a number
-
+
30123417057 = 319528481001
BaseRepresentation
bin11100000011011111…
…101101110111100001
32212202100112010202020
4130003133231313201
5443143043321212
621501041212053
72114325551226
oct340337556741
985670463666
1030123417057
111185897a0a8
125a08331029
132ac0b17446
14165a9b394d
15bb48a6d8c
hex7037edde1

30123417057 has 8 divisors (see below), whose sum is σ = 42278480160. Its totient is φ = 19025316000.

The previous prime is 30123417031. The next prime is 30123417067. The reversal of 30123417057 is 75071432103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30123417057 - 222 = 30119222753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30123417007) 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, 264240444 + ... + 264240557.

It is an arithmetic number, because the mean of its divisors is an integer number (5284810020).

Almost surely, 230123417057 is an apocalyptic number.

It is an amenable number.

30123417057 is a deficient number, since it is larger than the sum of its proper divisors (12155063103).

30123417057 is a wasteful number, since it uses less digits than its factorization.

30123417057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528481023.

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 30123417057 in words is "thirty billion, one hundred twenty-three million, four hundred seventeen thousand, fifty-seven".

Divisors: 1 3 19 57 528481001 1585443003 10041139019 30123417057