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30020231132 = 227505057783
BaseRepresentation
bin11011111101010110…
…000101111111011100
32212111011100202021022
4123331112011333130
5442440134344012
621442513423312
72111633516513
oct337526057734
985434322238
1030020231132
1111805701a81
12599986ab38
132aa5629798
14164add367a
15baa7c3472
hex6fd585fdc

30020231132 has 6 divisors (see below), whose sum is σ = 52535404488. Its totient is φ = 15010115564.

The previous prime is 30020231077. The next prime is 30020231149. The reversal of 30020231132 is 23113202003.

It is a self number, because there is not a number n which added to its sum of digits gives 30020231132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752528888 + ... + 3752528895.

It is an arithmetic number, because the mean of its divisors is an integer number (8755900748).

Almost surely, 230020231132 is an apocalyptic number.

It is an amenable number.

30020231132 is a deficient number, since it is larger than the sum of its proper divisors (22515173356).

30020231132 is a wasteful number, since it uses less digits than its factorization.

30020231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505057787 (or 7505057785 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30020231132 its reverse (23113202003), we get a palindrome (53133433135).

The spelling of 30020231132 in words is "thirty billion, twenty million, two hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7505057783 15010115566 30020231132