Search a number
-
+
30252121132 = 2261671850509
BaseRepresentation
bin11100001011001010…
…101011110000101100
32220002022200222112211
4130023022223300230
5443424020334012
621521515540204
72120450533612
oct341312536054
986068628484
1030252121132
1111914596402
125a4345a664
132b1169b0bc
14166db176b2
15bc0d2b6a7
hex70b2abc2c

30252121132 has 24 divisors (see below), whose sum is σ = 54612251120. Its totient is φ = 14656023360.

The previous prime is 30252121117. The next prime is 30252121153. The reversal of 30252121132 is 23112125203.

It is a super-2 number, since 2×302521211322 (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 908907 + ... + 941602.

Almost surely, 230252121132 is an apocalyptic number.

It is an amenable number.

30252121132 is a deficient number, since it is larger than the sum of its proper divisors (24360129988).

30252121132 is a wasteful number, since it uses less digits than its factorization.

30252121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850641 (or 1850639 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 30252121132 its reverse (23112125203), we get a palindrome (53364246335).

The spelling of 30252121132 in words is "thirty billion, two hundred fifty-two million, one hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 61 67 122 134 244 268 4087 8174 16348 1850509 3701018 7402036 112881049 123984103 225762098 247968206 451524196 495936412 7563030283 15126060566 30252121132