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30013121330 = 2512723632379
BaseRepresentation
bin11011111100111010…
…111110001100110010
32212110122222112110022
4123330322332030302
5442431324340310
621442101203442
72111516215313
oct337472761462
985418875408
1030013121330
1111801696305
125997400582
132aa400a5ba
14164a0a260a
15ba9d6ba55
hex6fcebe332

30013121330 has 16 divisors (see below), whose sum is σ = 54449003520. Its totient is φ = 11910718512.

The previous prime is 30013121329. The next prime is 30013121357. The reversal of 30013121330 is 3312131003.

It is a junction number, because it is equal to n+sod(n) for n = 30013121299 and 30013121308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11814920 + ... + 11817459.

It is an arithmetic number, because the mean of its divisors is an integer number (3403062720).

Almost surely, 230013121330 is an apocalyptic number.

30013121330 is a deficient number, since it is larger than the sum of its proper divisors (24435882190).

30013121330 is a wasteful number, since it uses less digits than its factorization.

30013121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23632513.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30013121330 its reverse (3312131003), we get a palindrome (33325252333).

The spelling of 30013121330 in words is "thirty billion, thirteen million, one hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 127 254 635 1270 23632379 47264758 118161895 236323790 3001312133 6002624266 15006560665 30013121330