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3448103681 = 113173138517
BaseRepresentation
bin1100110110000101…
…1110001100000001
322220022012211000202
43031201132030001
524030203304211
61330052454545
7151306253261
oct31541361401
98808184022
103448103681
11150a401370
1280291a455
1342c499049
14249d2d7a1
15152aaa53b
hexcd85e301

3448103681 has 16 divisors (see below), whose sum is σ = 3936127488. Its totient is φ = 2991945600.

The previous prime is 3448103677. The next prime is 3448103689. The reversal of 3448103681 is 1863018443.

It is a cyclic number.

It is not a de Polignac number, because 3448103681 - 22 = 3448103677 is a prime.

It is a super-2 number, since 2×34481036812 = 23778837989851499522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3448103689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44366 + ... + 94151.

It is an arithmetic number, because the mean of its divisors is an integer number (246007968).

Almost surely, 23448103681 is an apocalyptic number.

3448103681 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3448103681 is a deficient number, since it is larger than the sum of its proper divisors (488023807).

3448103681 is a wasteful number, since it uses less digits than its factorization.

3448103681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138632.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 3448103681 is about 58720.5558641946. Note that the first 3 decimals coincide. The cubic root of 3448103681 is about 1510.7529074242.

The spelling of 3448103681 in words is "three billion, four hundred forty-eight million, one hundred three thousand, six hundred eighty-one".

Divisors: 1 11 31 73 341 803 2263 24893 138517 1523687 4294027 10111741 47234297 111229151 313463971 3448103681