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30250646122 = 215125323061
BaseRepresentation
bin11100001011000101…
…000011101001101010
32220002012221001012211
4130023011003221222
5443423131133442
621521424155334
72120432151364
oct341305035152
986065831184
1030250646122
1111913779194
125a42a68b4a
132b112a2908
14166d851d34
15bc0b39617
hex70b143a6a

30250646122 has 4 divisors (see below), whose sum is σ = 45375969186. Its totient is φ = 15125323060.

The previous prime is 30250646113. The next prime is 30250646123. The reversal of 30250646122 is 22164605203.

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., 29576776441 + 673869681 = 171979^2 + 25959^2 .

It is a Smith number, since the sum of its digits (31) 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 (30250646123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562661529 + ... + 7562661532.

Almost surely, 230250646122 is an apocalyptic number.

30250646122 is a deficient number, since it is larger than the sum of its proper divisors (15125323064).

30250646122 is a wasteful number, since it uses less digits than its factorization.

30250646122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15125323063.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 30250646122 in words is "thirty billion, two hundred fifty million, six hundred forty-six thousand, one hundred twenty-two".

Divisors: 1 2 15125323061 30250646122