Search a number
-
+
57157017109950 = 2352497376623121
BaseRepresentation
bin11001111111011111001111…
…01100111000010110111110
321111101011020210111212121210
430333233213230320112332
524442430032340004300
6321321323212305250
715016313111203152
oct1477574754702676
9244334223455553
1057157017109950
11172371780950aa
1264b14b5472226
1325b7b64314804
1410185b3123062
15691bb9ed7050
hex33fbe7b385be

57157017109950 has 48 divisors (see below), whose sum is σ = 141777908084016. Its totient is φ = 15238806105600.

The previous prime is 57157017109919. The next prime is 57157017109957. The reversal of 57157017109950 is 5990171075175.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57157017109957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37565611 + ... + 39057510.

It is an arithmetic number, because the mean of its divisors is an integer number (2953706418417).

Almost surely, 257157017109950 is an apocalyptic number.

57157017109950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57157017109950 is an abundant number, since it is smaller than the sum of its proper divisors (84620890974066).

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

57157017109950 is a wasteful number, since it uses less digits than its factorization.

57157017109950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76628109 (or 76628104 counting only the distinct ones).

The product of its (nonzero) digits is 3472875, while the sum is 57.

The spelling of 57157017109950 in words is "fifty-seven trillion, one hundred fifty-seven billion, seventeen million, one hundred nine thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 4973 9946 14919 24865 29838 49730 74595 124325 149190 248650 372975 745950 76623121 153246242 229869363 383115605 459738726 766231210 1149346815 1915578025 2298693630 3831156050 5746734075 11493468150 381046780733 762093561466 1143140342199 1905233903665 2286280684398 3810467807330 5715701710995 9526169518325 11431403421990 19052339036650 28578508554975 57157017109950