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57605206701664 = 25411791259194827
BaseRepresentation
bin11010001100100010000011…
…11000011111011001100000
321112222000002220022010221201
431012101001320133121200
530022300430403423124
6322303244442530544
715063560502652516
oct1506210170373140
9245860086263851
1057605206701664
111739a25a466a56
126564337206a54
13261b1bc5ca15b
14103216d3d04b6
1569d69c363144
hex346441e1f660

57605206701664 has 96 divisors (see below), whose sum is σ = 116918776598400. Its totient is φ = 27920779023360.

The previous prime is 57605206701661. The next prime is 57605206701671. The reversal of 57605206701664 is 46610760250675.

It is a happy number.

It is a super-3 number, since 3×576052067016643 (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57605206701661) 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, 295576219 + ... + 295771045.

It is an arithmetic number, because the mean of its divisors is an integer number (1217903922900).

Almost surely, 257605206701664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57605206701664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58459388299200).

57605206701664 is an abundant number, since it is smaller than the sum of its proper divisors (59313569896736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57605206701664 is a wasteful number, since it uses less digits than its factorization.

57605206701664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196316 (or 196308 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 57605206701664 in words is "fifty-seven trillion, six hundred five billion, two hundred six million, seven hundred one thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 41 82 164 179 328 358 656 716 1259 1312 1432 2518 2864 5036 5728 7339 10072 14678 20144 29356 40288 51619 58712 103238 117424 194827 206476 225361 234848 389654 412952 450722 779308 825904 901444 1558616 1651808 1802888 3117232 3605776 6234464 7211552 7987907 9239801 15975814 18479602 31951628 34874033 36959204 63903256 69748066 73918408 127806512 139496132 147836816 245287193 255613024 278992264 295673632 490574386 557984528 981148772 1115969056 1429835353 1962297544 2859670706 3924595088 5719341412 7849190176 10056774913 11438682824 20113549826 22877365648 40227099652 43906407547 45754731296 80454199304 87812815094 160908398608 175625630188 321816797216 351251260376 702502520752 1405005041504 1800162709427 3600325418854 7200650837708 14401301675416 28802603350832 57605206701664