Search a number
-
+
30512452332 = 2232542704361
BaseRepresentation
bin11100011010101011…
…110001001011101100
32220202110120011211010
4130122223301023230
5444442141433312
622003415425220
72130061364655
oct343253611354
986673504733
1030512452332
1111a3853605a
125ab6685210
132b535ba02b
14169652252c
15bd8b0193c
hex71aaf12ec

30512452332 has 12 divisors (see below), whose sum is σ = 71195722136. Its totient is φ = 10170817440.

The previous prime is 30512452297. The next prime is 30512452351. The reversal of 30512452332 is 23325421503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 30512452332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271352169 + ... + 1271352192.

Almost surely, 230512452332 is an apocalyptic number.

It is an amenable number.

30512452332 is an abundant number, since it is smaller than the sum of its proper divisors (40683269804).

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

30512452332 is a wasteful number, since it uses less digits than its factorization.

30512452332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542704368 (or 2542704366 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 30512452332 its reverse (23325421503), we get a palindrome (53837873835).

The spelling of 30512452332 in words is "thirty billion, five hundred twelve million, four hundred fifty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 2542704361 5085408722 7628113083 10170817444 15256226166 30512452332