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30209196802 = 215104598401
BaseRepresentation
bin11100001000100110…
…111100001100000010
32212222022221012102211
4130020212330030002
5443332023244202
621513343532334
72116416636031
oct341046741402
985868835384
1030209196802
11118a2338754
125a30bba0aa
132b0581c4a5
141668142718
15bbc19d1d7
hex7089bc302

30209196802 has 4 divisors (see below), whose sum is σ = 45313795206. Its totient is φ = 15104598400.

The previous prime is 30209196799. The next prime is 30209196803. The reversal of 30209196802 is 20869190203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28254584281 + 1954612521 = 168091^2 + 44211^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30209196803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7552299199 + ... + 7552299202.

Almost surely, 230209196802 is an apocalyptic number.

30209196802 is a deficient number, since it is larger than the sum of its proper divisors (15104598404).

30209196802 is a wasteful number, since it uses less digits than its factorization.

30209196802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15104598403.

The product of its (nonzero) digits is 46656, while the sum is 40.

It can be divided in two parts, 302091 and 96802, that added together give a palindrome (398893).

The spelling of 30209196802 in words is "thirty billion, two hundred nine million, one hundred ninety-six thousand, eight hundred two".

Divisors: 1 2 15104598401 30209196802