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11798072481 = 313743407153
BaseRepresentation
bin10101111110011100…
…00100110010100001
31010110020011011212110
422333032010302201
5143130301304411
65230413345533
7565236650526
oct127716046241
933406134773
1011798072481
115004782528
1223531982a9
1311603840a0
147dcc9714d
15490b852a6
hex2bf384ca1

11798072481 has 16 divisors (see below), whose sum is σ = 16963664256. Its totient is φ = 7250562816.

The previous prime is 11798072467. The next prime is 11798072509. The reversal of 11798072481 is 18427089711.

11798072481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11798072481 - 25 = 11798072449 is a prime.

It is a super-2 number, since 2×117980724812 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11798072481.

It is not an unprimeable number, because it can be changed into a prime (11798072381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174600 + ... + 232553.

It is an arithmetic number, because the mean of its divisors is an integer number (1060229016).

Almost surely, 211798072481 is an apocalyptic number.

It is an amenable number.

11798072481 is a deficient number, since it is larger than the sum of its proper divisors (5165591775).

11798072481 is a wasteful number, since it uses less digits than its factorization.

11798072481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407912.

The product of its (nonzero) digits is 225792, while the sum is 48.

The spelling of 11798072481 in words is "eleven billion, seven hundred ninety-eight million, seventy-two thousand, four hundred eighty-one".

Divisors: 1 3 13 39 743 2229 9659 28977 407153 1221459 5292989 15878967 302514679 907544037 3932690827 11798072481