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30120010030 = 2511273818273
BaseRepresentation
bin11100000011010010…
…101110000100101110
32212202010010001012001
4130003102232010232
5443141210310110
621500440202514
72114254601215
oct340322560456
985663101161
1030120010030
1111856a62380
125a0716943a
132ac01c3756
14165a36807c
15bb443263a
hex7034ae12e

30120010030 has 16 divisors (see below), whose sum is σ = 59144747184. Its totient is φ = 10952730880.

The previous prime is 30120009989. The next prime is 30120010061. The reversal of 30120010030 is 3001002103.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 30120009989 and 30120010016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136909027 + ... + 136909246.

It is an arithmetic number, because the mean of its divisors is an integer number (3696546699).

Almost surely, 230120010030 is an apocalyptic number.

30120010030 is a deficient number, since it is larger than the sum of its proper divisors (29024737154).

30120010030 is a wasteful number, since it uses less digits than its factorization.

30120010030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273818291.

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

Adding to 30120010030 its reverse (3001002103), we get a palindrome (33121012133).

The spelling of 30120010030 in words is "thirty billion, one hundred twenty million, ten thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 273818273 547636546 1369091365 2738182730 3012001003 6024002006 15060005015 30120010030