Search a number
-
+
30123442101 = 316883594749
BaseRepresentation
bin11100000011011111…
…110011111110110101
32212202100120102002210
4130003133303332311
5443143100121401
621501041524033
72114326014234
oct340337637665
985670512083
1030123442101
11118589969a5
125a08343619
132ac0b2596c
14165a9bcb1b
15bb48ae4d6
hex7037f3fb5

30123442101 has 8 divisors (see below), whose sum is σ = 40167036000. Its totient is φ = 20081071472.

The previous prime is 30123442051. The next prime is 30123442103. The reversal of 30123442101 is 10124432103.

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 30123442101 - 221 = 30121344949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123442103) 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, 246726 + ... + 348023.

It is an arithmetic number, because the mean of its divisors is an integer number (5020879500).

Almost surely, 230123442101 is an apocalyptic number.

It is an amenable number.

30123442101 is a deficient number, since it is larger than the sum of its proper divisors (10043593899).

30123442101 is a wasteful number, since it uses less digits than its factorization.

30123442101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611635.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30123442101 its reverse (10124432103), we get a palindrome (40247874204).

The spelling of 30123442101 in words is "thirty billion, one hundred twenty-three million, four hundred forty-two thousand, one hundred one".

Divisors: 1 3 16883 50649 594749 1784247 10041147367 30123442101