Search a number
-
+
30201244023031 = 167257703680049
BaseRepresentation
bin1101101110111110001100…
…11010111111100011110111
310221221012200121211100202121
412313133012122333203313
512424304121432214111
6144122132053020411
76234652660353424
oct667370632774367
9127835617740677
1030201244023031
1196943039a7164
123479253624707
1313b0c713c7613
14765a6877ad4b
1537590c582871
hex1b77c66bf8f7

30201244023031 has 8 divisors (see below), whose sum is σ = 30500308087200. Its totient is φ = 29903587319808.

The previous prime is 30201244022953. The next prime is 30201244023073. The reversal of 30201244023031 is 13032044210203.

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 30201244023031 - 27 = 30201244022903 is a prime.

It is a super-2 number, since 2×302012440230312 (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 = 30201244022987 and 30201244023005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201244023631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351797106 + ... + 351882943.

It is an arithmetic number, because the mean of its divisors is an integer number (3812538510900).

Almost surely, 230201244023031 is an apocalyptic number.

30201244023031 is a deficient number, since it is larger than the sum of its proper divisors (299064064169).

30201244023031 is a wasteful number, since it uses less digits than its factorization.

30201244023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703680473.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30201244023031 its reverse (13032044210203), we get a palindrome (43233288233234).

The spelling of 30201244023031 in words is "thirty trillion, two hundred one billion, two hundred forty-four million, twenty-three thousand, thirty-one".

Divisors: 1 167 257 42919 703680049 117514568183 180845772593 30201244023031