Search a number
-
+
53461220783181 = 397491827921523
BaseRepresentation
bin11000010011111011010010…
…00100101111010001001101
321000021211202101200221000220
430021331221010233101031
524001402040010030211
6305411425030541553
714155305613562451
oct1411755104572115
9230254671627026
1053461220783181
111604185a445742
125bb51868078b9
1323aa4aa20b5b3
14d2b773336661
1562a9b0793806
hex309f6912f44d

53461220783181 has 8 divisors (see below), whose sum is σ = 71288939436000. Its totient is φ = 35637157992912.

The previous prime is 53461220783177. The next prime is 53461220783197. The reversal of 53461220783181 is 18138702216435.

53461220783181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53461220783181 - 22 = 53461220783177 is a prime.

It is a super-2 number, since 2×534612207831812 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53461220783141) 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, 913931515 + ... + 913990008.

It is an arithmetic number, because the mean of its divisors is an integer number (8911117429500).

Almost surely, 253461220783181 is an apocalyptic number.

It is an amenable number.

53461220783181 is a deficient number, since it is larger than the sum of its proper divisors (17827718652819).

53461220783181 is a wasteful number, since it uses less digits than its factorization.

53461220783181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827931275.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 53461220783181 in words is "fifty-three trillion, four hundred sixty-one billion, two hundred twenty million, seven hundred eighty-three thousand, one hundred eighty-one".

Divisors: 1 3 9749 29247 1827921523 5483764569 17820406927727 53461220783181