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30121021322 = 272151501523
BaseRepresentation
bin11100000011010110…
…100100111110001010
32212202012000102102022
4130003112210332022
5443141440140242
621500514004442
72114266312460
oct340326447612
985665012368
1030121021322
1111857593157
125a07576722
132ac0488b52
14165a54c830
15bb45820d2
hex7035a4f8a

30121021322 has 8 divisors (see below), whose sum is σ = 51636036576. Its totient is φ = 12909009132.

The previous prime is 30121021313. The next prime is 30121021339. The reversal of 30121021322 is 22312012103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30121021322.

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, 1075750748 + ... + 1075750775.

It is an arithmetic number, because the mean of its divisors is an integer number (6454504572).

Almost surely, 230121021322 is an apocalyptic number.

30121021322 is a deficient number, since it is larger than the sum of its proper divisors (21515015254).

30121021322 is a wasteful number, since it uses less digits than its factorization.

30121021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151501532.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30121021322 its reverse (22312012103), we get a palindrome (52433033425).

The spelling of 30121021322 in words is "thirty billion, one hundred twenty-one million, twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 7 14 2151501523 4303003046 15060510661 30121021322