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30553125351053 = 171797242667709
BaseRepresentation
bin1101111001001101101000…
…01011101110111010001101
311000011211221211121221000012
412330212310023232322031
513001040300042213203
6144551524555043005
76302250633323144
oct674466413567215
9130154854557005
1030553125351053
11980a564819058
123515497a40465
1314081bb98c996
14778aca01675b
1537eb54856bd8
hex1bc9b42eee8d

30553125351053 has 4 divisors (see below), whose sum is σ = 32350368018780. Its totient is φ = 28755882683328.

The previous prime is 30553125351043. The next prime is 30553125351079. The reversal of 30553125351053 is 35015352135503.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15623386685449 + 14929738665604 = 3952643^2 + 3863902^2 .

It is not a de Polignac number, because 30553125351053 - 24 = 30553125351037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30553125351053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30553125351043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898621333838 + ... + 898621333871.

It is an arithmetic number, because the mean of its divisors is an integer number (8087592004695).

Almost surely, 230553125351053 is an apocalyptic number.

It is an amenable number.

30553125351053 is a deficient number, since it is larger than the sum of its proper divisors (1797242667727).

30553125351053 is a wasteful number, since it uses less digits than its factorization.

30553125351053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797242667726.

The product of its (nonzero) digits is 506250, while the sum is 41.

Adding to 30553125351053 its reverse (35015352135503), we get a palindrome (65568477486556).

The spelling of 30553125351053 in words is "thirty trillion, five hundred fifty-three billion, one hundred twenty-five million, three hundred fifty-one thousand, fifty-three".

Divisors: 1 17 1797242667709 30553125351053