Search a number
-
+
30140012402 = 217886470953
BaseRepresentation
bin11100000100011111…
…000001011101110010
32212210111202021021122
4130010133001131302
5443211320344102
621502433022242
72114616610163
oct340437013562
985714667248
1030140012402
1111867284465
125a119b4982
132ac43a7c86
14165cc9376a
15bb60840a2
hex7047c1772

30140012402 has 8 divisors (see below), whose sum is σ = 47869431516. Its totient is φ = 14183535232.

The previous prime is 30140012339. The next prime is 30140012411. The reversal of 30140012402 is 20421004103.

It can be written as a sum of positive squares in 2 ways, for example, as 26114236801 + 4025775601 = 161599^2 + 63449^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443235443 + ... + 443235510.

Almost surely, 230140012402 is an apocalyptic number.

30140012402 is a deficient number, since it is larger than the sum of its proper divisors (17729419114).

30140012402 is a wasteful number, since it uses less digits than its factorization.

30140012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886470972.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 30140012402 its reverse (20421004103), we get a palindrome (50561016505).

The spelling of 30140012402 in words is "thirty billion, one hundred forty million, twelve thousand, four hundred two".

Divisors: 1 2 17 34 886470953 1772941906 15070006201 30140012402