Search a number
-
+
201131420013 = 32312638593191
BaseRepresentation
bin1011101101010001011…
…1011110100101101101
3201020011012020202222100
42323110113132211231
511243404120420023
6232222024205313
720350136601426
oct2732427364555
9636135222870
10201131420013
1178332496867
1232b92609839
1315c74851284
149a4047c64d
155372964c43
hex2ed45de96d

201131420013 has 48 divisors (see below), whose sum is σ = 301480058880. Its totient is φ = 129077863200.

The previous prime is 201131419943. The next prime is 201131420033. The reversal of 201131420013 is 310024131102.

201131420013 is a `hidden beast` number, since 201 + 1 + 31 + 420 + 0 + 13 = 666.

It is not a de Polignac number, because 201131420013 - 213 = 201131411821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201131420033) 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 47 ways as a sum of consecutive naturals, for example, 63029248 + ... + 63032438.

It is an arithmetic number, because the mean of its divisors is an integer number (6280834560).

Almost surely, 2201131420013 is an apocalyptic number.

It is an amenable number.

201131420013 is a deficient number, since it is larger than the sum of its proper divisors (100348638867).

201131420013 is a wasteful number, since it uses less digits than its factorization.

201131420013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201131420013 its reverse (310024131102), we get a palindrome (511155551115).

The spelling of 201131420013 in words is "two hundred one billion, one hundred thirty-one million, four hundred twenty thousand, thirteen".

Divisors: 1 3 9 31 93 263 279 789 859 2367 2577 3191 7731 8153 9573 24459 26629 28719 73377 79887 98921 225917 239661 296763 677751 839233 890289 2033253 2517699 2741069 7003427 7553097 8223207 21010281 24669621 26016223 63030843 78048669 84973139 234146007 254919417 720901147 764758251 2162703441 6488110323 22347935557 67043806671 201131420013