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30334781051 = 80113786641
BaseRepresentation
bin11100010000000110…
…000000011001111011
32220022002020112122022
4130100012000121323
5444111200443201
621534031345055
72122503245621
oct342006003173
986262215568
1030334781051
1111957213a93
125a6708218b
132b258500b3
14167aab3511
15bc820841b
hex71018067b

30334781051 has 4 divisors (see below), whose sum is σ = 30338575704. Its totient is φ = 30330986400.

The previous prime is 30334781041. The next prime is 30334781053. The reversal of 30334781051 is 15018743303.

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

It is a cyclic number.

It is not a de Polignac number, because 30334781051 - 222 = 30330586747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30334781053) 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, 1885310 + ... + 1901331.

It is an arithmetic number, because the mean of its divisors is an integer number (7584643926).

Almost surely, 230334781051 is an apocalyptic number.

30334781051 is a deficient number, since it is larger than the sum of its proper divisors (3794653).

30334781051 is an equidigital number, since it uses as much as digits as its factorization.

30334781051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794652.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 30334781051 in words is "thirty billion, three hundred thirty-four million, seven hundred eighty-one thousand, fifty-one".

Divisors: 1 8011 3786641 30334781051