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57728341103 = 183131528313
BaseRepresentation
bin110101110000111000…
…001001010001101111
312112000012001120120112
4311300320021101233
51421211423403403
642304154410235
74112363542316
oct656070112157
9175005046515
1057728341103
1122534164114
12b23113097b
13559cc28c24
142b18cc127d
15177d0cd9d8
hexd70e0946f

57728341103 has 4 divisors (see below), whose sum is σ = 57759871248. Its totient is φ = 57696810960.

The previous prime is 57728341087. The next prime is 57728341159. The reversal of 57728341103 is 30114382775.

57728341103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 57728341103 - 24 = 57728341087 is a prime.

It is a super-2 number, since 2×577283411032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57728341163) 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, 15762326 + ... + 15765987.

It is an arithmetic number, because the mean of its divisors is an integer number (14439967812).

Almost surely, 257728341103 is an apocalyptic number.

57728341103 is a deficient number, since it is larger than the sum of its proper divisors (31530145).

57728341103 is a wasteful number, since it uses less digits than its factorization.

57728341103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31530144.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 57728341103 in words is "fifty-seven billion, seven hundred twenty-eight million, three hundred forty-one thousand, one hundred three".

Divisors: 1 1831 31528313 57728341103