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30256650146 = 274812022233
BaseRepresentation
bin11100001011011011…
…111101011110100010
32220002122020002012002
4130023123331132202
5443431200301041
621522201004002
72120534166002
oct341333753642
986078202162
1030256650146
11119170aa098
125a44a83602
132b125c56a8
141670576002
15bc142359b
hex70b6fd7a2

30256650146 has 8 divisors (see below), whose sum is σ = 45391064364. Its totient is φ = 15126295360.

The previous prime is 30256650143. The next prime is 30256650191. The reversal of 30256650146 is 64105665203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24872759521 + 5383890625 = 157711^2 + 73375^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30256650143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996155 + ... + 1026078.

Almost surely, 230256650146 is an apocalyptic number.

30256650146 is a deficient number, since it is larger than the sum of its proper divisors (15134414218).

30256650146 is a wasteful number, since it uses less digits than its factorization.

30256650146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029716.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 30256650146 in words is "thirty billion, two hundred fifty-six million, six hundred fifty thousand, one hundred forty-six".

Divisors: 1 2 7481 14962 2022233 4044466 15128325073 30256650146