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30121303332 = 22323367297371
BaseRepresentation
bin11100000011010111…
…101001110100100100
32212202012112202021010
4130003113221310210
5443142023201312
621500524022220
72114301565611
oct340327516444
985665482233
1030121303332
111185776601a
125a07691970
132ac0557313
14165a5c3508
15bb45da93c
hex7035e9d24

30121303332 has 48 divisors (see below), whose sum is σ = 73538906112. Its totient is φ = 9577692960.

The previous prime is 30121303321. The next prime is 30121303337. The reversal of 30121303332 is 23330312103.

It is a junction number, because it is equal to n+sod(n) for n = 30121303299 and 30121303308.

It is not an unprimeable number, because it can be changed into a prime (30121303337) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47394 + ... + 249977.

It is an arithmetic number, because the mean of its divisors is an integer number (1532060544).

Almost surely, 230121303332 is an apocalyptic number.

It is an amenable number.

30121303332 is an abundant number, since it is smaller than the sum of its proper divisors (43417602780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30121303332 is a wasteful number, since it uses less digits than its factorization.

30121303332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297768 (or 297766 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30121303332 its reverse (23330312103), we get a palindrome (53451615435).

The spelling of 30121303332 in words is "thirty billion, one hundred twenty-one million, three hundred three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 367 734 1101 1468 2202 4404 8441 16882 25323 33764 50646 101292 297371 594742 892113 1189484 1784226 3568452 6839533 13679066 20518599 27358132 41037198 82074396 109135157 218270314 327405471 436540628 654810942 1309621884 2510108611 5020217222 7530325833 10040434444 15060651666 30121303332