Search a number
-
+
30770571072253 = 461118156517733
BaseRepresentation
bin1101111111100010101001…
…11101010101001011111101
311000221122020000010001221211
412333301110331111023331
513013121112143303003
6145235445531324421
76324046302420115
oct677612475251375
9130848200101854
1030770571072253
1198937a9201861
12354b661bb0711
1314228634314bc
14785437080045
1538562e69896d
hex1bfc54f552fd

30770571072253 has 8 divisors (see below), whose sum is σ = 30863430253656. Its totient is φ = 30677824929600.

The previous prime is 30770571072223. The next prime is 30770571072281. The reversal of 30770571072253 is 35227017507703.

It can be written as a sum of positive squares in 4 ways, for example, as 2585493554809 + 28185077517444 = 1607947^2 + 5308962^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30770571072253 is a prime.

It is a super-2 number, since 2×307705710722532 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30770571072197 and 30770571072206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30770571072223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27714426 + ... + 28803307.

It is an arithmetic number, because the mean of its divisors is an integer number (3857928781707).

Almost surely, 230770571072253 is an apocalyptic number.

It is an amenable number.

30770571072253 is a deficient number, since it is larger than the sum of its proper divisors (92859181403).

30770571072253 is a wasteful number, since it uses less digits than its factorization.

30770571072253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56519375.

The product of its (nonzero) digits is 2160900, while the sum is 49.

Adding to 30770571072253 its reverse (35227017507703), we get a palindrome (65997588579956).

The spelling of 30770571072253 in words is "thirty trillion, seven hundred seventy billion, five hundred seventy-one million, seventy-two thousand, two hundred fifty-three".

Divisors: 1 461 1181 544441 56517733 26054674913 66747442673 30770571072253