Search a number
-
+
30013332023 = 1712713901497
BaseRepresentation
bin11011111100111011…
…110001101000110111
32212110200101020110202
4123330323301220313
5442431403111043
621442105511115
72111521053503
oct337473615067
985420336422
1030013332023
111180181a634
1259974a249b
132aa408247c
14164a119303
15ba9dae1b8
hex6fcef1a37

30013332023 has 8 divisors (see below), whose sum is σ = 32029051392. Its totient is φ = 28025415936.

The previous prime is 30013331987. The next prime is 30013332043. The reversal of 30013332023 is 32023331003.

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 30013332023 - 216 = 30013266487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30013331986 and 30013332004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013332043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6948590 + ... + 6952907.

It is an arithmetic number, because the mean of its divisors is an integer number (4003631424).

Almost surely, 230013332023 is an apocalyptic number.

30013332023 is a deficient number, since it is larger than the sum of its proper divisors (2015719369).

30013332023 is a wasteful number, since it uses less digits than its factorization.

30013332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13901641.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30013332023 its reverse (32023331003), we get a palindrome (62036663026).

The spelling of 30013332023 in words is "thirty billion, thirteen million, three hundred thirty-two thousand, twenty-three".

Divisors: 1 17 127 2159 13901497 236325449 1765490119 30013332023