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56385742706 = 231431071571259
BaseRepresentation
bin110100100000110110…
…100010011101110010
312101112121201111210222
4310200312202131302
51410434222231311
641523034053042
74034201622266
oct644066423562
9171477644728
1056385742706
1121a05311067
12ab1757a182
135417a277c7
142a2c8720a6
1517002c6adb
hexd20da2772

56385742706 has 64 divisors (see below), whose sum is σ = 90818703360. Its totient is φ = 26210882880.

The previous prime is 56385742669. The next prime is 56385742739. The reversal of 56385742706 is 60724758365.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44785505 + ... + 44786763.

It is an arithmetic number, because the mean of its divisors is an integer number (1419042240).

Almost surely, 256385742706 is an apocalyptic number.

56385742706 is a deficient number, since it is larger than the sum of its proper divisors (34432960654).

56385742706 is a wasteful number, since it uses less digits than its factorization.

56385742706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 56385742706 in words is "fifty-six billion, three hundred eighty-five million, seven hundred forty-two thousand, seven hundred six".

Divisors: 1 2 31 43 62 86 107 157 214 314 1259 1333 2518 2666 3317 4601 4867 6634 6751 9202 9734 13502 16799 33598 39029 54137 78058 108274 134713 142631 197663 209281 269426 285262 395326 418562 520769 722357 1041538 1444714 1678247 3356494 4176103 5792659 6127553 8352206 8499509 11585318 12255106 16999018 21149941 22393067 42299882 44786134 179572429 263484779 359144858 526969558 655648171 909447463 1311296342 1818894926 28192871353 56385742706