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30520430333351 = 727765715703049
BaseRepresentation
bin1101111000010000101110…
…11010001000110110100111
311000001201120021011221100122
412330020113122020312213
513000021320131131401
6144524520411232155
76300012500261630
oct674102732106647
9130051507157318
1030520430333351
1197a7707291372
12350b09244865b
1314050ab166b6a
147772a7ab4887
1537dd8e32e21b
hex1bc217688da7

30520430333351 has 8 divisors (see below), whose sum is σ = 34880619655200. Its totient is φ = 26160272972928.

The previous prime is 30520430333329. The next prime is 30520430333377. The reversal of 30520430333351 is 15333303402503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30520430333351 - 242 = 26122383822247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30520430333051) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5907926 + ... + 9795123.

It is an arithmetic number, because the mean of its divisors is an integer number (4360077456900).

Almost surely, 230520430333351 is an apocalyptic number.

30520430333351 is a deficient number, since it is larger than the sum of its proper divisors (4360189321849).

30520430333351 is a wasteful number, since it uses less digits than its factorization.

30520430333351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15980713.

The product of its (nonzero) digits is 145800, while the sum is 35.

Adding to 30520430333351 its reverse (15333303402503), we get a palindrome (45853733735854).

The spelling of 30520430333351 in words is "thirty trillion, five hundred twenty billion, four hundred thirty million, three hundred thirty-three thousand, three hundred fifty-one".

Divisors: 1 7 277657 1943599 15703049 109921343 4360061476193 30520430333351