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30151442252 = 227537860563
BaseRepresentation
bin11100000101001010…
…100111111101001100
32212211022020222002102
4130011022213331030
5443222232123002
621503522014232
72115116013311
oct340512477514
985738228072
1030151442252
1111872780918
125a157a7378
132ac687a5b9
1416605cad08
15bb7090a02
hex7052a7f4c

30151442252 has 6 divisors (see below), whose sum is σ = 52765023948. Its totient is φ = 15075721124.

The previous prime is 30151442249. The next prime is 30151442263. The reversal of 30151442252 is 25224415103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3768930278 + ... + 3768930285.

It is an arithmetic number, because the mean of its divisors is an integer number (8794170658).

Almost surely, 230151442252 is an apocalyptic number.

It is an amenable number.

30151442252 is a deficient number, since it is larger than the sum of its proper divisors (22613581696).

30151442252 is a wasteful number, since it uses less digits than its factorization.

30151442252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537860567 (or 7537860565 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 30151442252 its reverse (25224415103), we get a palindrome (55375857355).

The spelling of 30151442252 in words is "thirty billion, one hundred fifty-one million, four hundred forty-two thousand, two hundred fifty-two".

Divisors: 1 2 4 7537860563 15075721126 30151442252