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57408480475 = 522980997879
BaseRepresentation
bin110101011101110011…
…111110010011011011
312111011220011222021121
4311131303332103123
51420033032333400
642212330550111
74101431014123
oct653563762333
9174156158247
1057408480475
112238a655095
12b161b98337
13554b896298
142ac861bc83
15175ee9a21a
hexd5dcfe4db

57408480475 has 24 divisors (see below), whose sum is σ = 73733004000. Its totient is φ = 44287837440.

The previous prime is 57408480443. The next prime is 57408480509.

57408480475 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57408480475 - 25 = 57408480443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537586 + ... + 635464.

It is an arithmetic number, because the mean of its divisors is an integer number (3072208500).

Almost surely, 257408480475 is an apocalyptic number.

57408480475 is a deficient number, since it is larger than the sum of its proper divisors (16324523525).

57408480475 is a wasteful number, since it uses less digits than its factorization.

57408480475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98727 (or 98722 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 52.

The spelling of 57408480475 in words is "fifty-seven billion, four hundred eight million, four hundred eighty thousand, four hundred seventy-five".

Divisors: 1 5 25 29 145 725 809 4045 20225 23461 97879 117305 489395 586525 2446975 2838491 14192455 70962275 79184111 395920555 1979602775 2296339219 11481696095 57408480475