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38168688532 = 22132475232297
BaseRepresentation
bin100011100011000001…
…111111011110010100
310122112001010021102211
4203203001333132110
51111132141013112
625311235243204
72520566333212
oct434301773624
9118461107384
1038168688532
1115207258697
127492749504
1337a384b600
141bc12a3cb2
15ed5d460a7
hex8e307f794

38168688532 has 72 divisors (see below), whose sum is σ = 74040898176. Its totient is φ = 17201044224.

The previous prime is 38168688529. The next prime is 38168688533. The reversal of 38168688532 is 23588686183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38168688533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16615608 + ... + 16617904.

It is an arithmetic number, because the mean of its divisors is an integer number (1028345808).

Almost surely, 238168688532 is an apocalyptic number.

It is an amenable number.

38168688532 is a deficient number, since it is larger than the sum of its proper divisors (35872209644).

38168688532 is a wasteful number, since it uses less digits than its factorization.

38168688532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897 (or 2882 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 58.

The spelling of 38168688532 in words is "thirty-eight billion, one hundred sixty-eight million, six hundred eighty-eight thousand, five hundred thirty-two".

Divisors: 1 2 4 13 26 47 52 94 169 188 338 523 611 676 1046 1222 2092 2297 2444 4594 6799 7943 9188 13598 15886 24581 27196 29861 31772 49162 59722 88387 98324 107959 119444 176774 215918 319553 353548 388193 431836 639106 776386 1201331 1278212 1403467 1552772 2402662 2806934 4154189 4805324 5613868 8308378 15617303 16616756 18245071 31234606 36490142 56462557 62469212 72980284 112925114 203024939 225850228 406049878 734013241 812099756 1468026482 2936052964 9542172133 19084344266 38168688532