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57681355103 = 277208235939
BaseRepresentation
bin110101101110000100…
…111010000101011111
312111212220122102220022
4311232010322011133
51421112411330403
642255355342355
74111253300021
oct655604720537
9174786572808
1057681355103
112250a691909
12b2194519bb
135593287668
142b12970011
151778debd38
hexd6e13a15f

57681355103 has 4 divisors (see below), whose sum is σ = 57889591320. Its totient is φ = 57473118888.

The previous prime is 57681355099. The next prime is 57681355111. The reversal of 57681355103 is 30155318675.

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 57681355103 - 22 = 57681355099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57681325103) 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, 104117693 + ... + 104118246.

It is an arithmetic number, because the mean of its divisors is an integer number (14472397830).

Almost surely, 257681355103 is an apocalyptic number.

57681355103 is a deficient number, since it is larger than the sum of its proper divisors (208236217).

57681355103 is a wasteful number, since it uses less digits than its factorization.

57681355103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208236216.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 57681355103 in words is "fifty-seven billion, six hundred eighty-one million, three hundred fifty-five thousand, one hundred three".

Divisors: 1 277 208235939 57681355103