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11310740681 = 25633441257
BaseRepresentation
bin10101000100010110…
…00011010011001001
31002012021011011022112
422202023003103021
5141131022200211
65110204232105
7550201465232
oct124213032311
932167134275
1011310740681
114884688979
122237b3b635
1310b3416186
1479427c089
15462ec088b
hex2a22c34c9

11310740681 has 4 divisors (see below), whose sum is σ = 11311207572. Its totient is φ = 11310273792.

The previous prime is 11310740677. The next prime is 11310740729. The reversal of 11310740681 is 18604701311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8757965056 + 2552775625 = 93584^2 + 50525^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310740681 - 22 = 11310740677 is a prime.

It is a super-2 number, since 2×113107406812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11310740281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194996 + ... + 246261.

It is an arithmetic number, because the mean of its divisors is an integer number (2827801893).

Almost surely, 211310740681 is an apocalyptic number.

It is an amenable number.

11310740681 is a deficient number, since it is larger than the sum of its proper divisors (466891).

11310740681 is an equidigital number, since it uses as much as digits as its factorization.

11310740681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466890.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 11310740681 in words is "eleven billion, three hundred ten million, seven hundred forty thousand, six hundred eighty-one".

Divisors: 1 25633 441257 11310740681