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11748383657 = 18164908197
BaseRepresentation
bin10101111000100001…
…00001101110101001
31010022202122201121122
422330100201232221
5143030041234112
65221440345025
7564064420253
oct127420415651
933282581548
1011748383657
114a8972458a
12233a615175
131152ca750a
147d6440cd3
1548b61c872
hex2bc421ba9

11748383657 has 4 divisors (see below), whose sum is σ = 11813292036. Its totient is φ = 11683475280.

The previous prime is 11748383641. The next prime is 11748383683. The reversal of 11748383657 is 75638384711.

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 4098432361 + 7649951296 = 64019^2 + 87464^2 .

It is a cyclic number.

It is not a de Polignac number, because 11748383657 - 24 = 11748383641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11748383599 and 11748383608.

It is not an unprimeable number, because it can be changed into a prime (11748383557) 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, 32453918 + ... + 32454279.

It is an arithmetic number, because the mean of its divisors is an integer number (2953323009).

Almost surely, 211748383657 is an apocalyptic number.

It is an amenable number.

11748383657 is a deficient number, since it is larger than the sum of its proper divisors (64908379).

11748383657 is an equidigital number, since it uses as much as digits as its factorization.

11748383657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64908378.

The product of its digits is 3386880, while the sum is 53.

The spelling of 11748383657 in words is "eleven billion, seven hundred forty-eight million, three hundred eighty-three thousand, six hundred fifty-seven".

Divisors: 1 181 64908197 11748383657