Search a number
-
+
30120010003 = 711093891977
BaseRepresentation
bin11100000011010010…
…101110000100010011
32212202010010001011001
4130003102232010103
5443141210310003
621500440202431
72114254601146
oct340322560423
985663101131
1030120010003
1111856a62356
125a07169417
132ac01c3735
14165a36805d
15bb443261d
hex7034ae113

30120010003 has 8 divisors (see below), whose sum is σ = 30824465760. Its totient is φ = 29423338560.

The previous prime is 30120009989. The next prime is 30120010061. The reversal of 30120010003 is 30001002103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30120010003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120013003) 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, 1938250 + ... + 1953727.

It is an arithmetic number, because the mean of its divisors is an integer number (3853058220).

Almost surely, 230120010003 is an apocalyptic number.

30120010003 is a deficient number, since it is larger than the sum of its proper divisors (704455757).

30120010003 is a wasteful number, since it uses less digits than its factorization.

30120010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892157.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 30120010003 its reverse (30001002103), we get a palindrome (60121012106).

The spelling of 30120010003 in words is "thirty billion, one hundred twenty million, ten thousand, three".

Divisors: 1 71 109 7739 3891977 276330367 424225493 30120010003