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168671108 = 2242167777
BaseRepresentation
bin10100000110110…
…11011110000100
3102202101101021002
422003123132010
5321134433413
624423112432
74115452334
oct1203333604
9382341232
10168671108
1187235111
12485a2718
1328c384b8
14185890c4
15ec1b958
hexa0db784

168671108 has 6 divisors (see below), whose sum is σ = 295174446. Its totient is φ = 84335552.

The previous prime is 168671101. The next prime is 168671119. The reversal of 168671108 is 801176861.

It can be written as a sum of positive squares in only one way, i.e., 159719044 + 8952064 = 12638^2 + 2992^2 .

It is not an unprimeable number, because it can be changed into a prime (168671101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21083885 + ... + 21083892.

It is an arithmetic number, because the mean of its divisors is an integer number (49195741).

Almost surely, 2168671108 is an apocalyptic number.

It is an amenable number.

168671108 is a deficient number, since it is larger than the sum of its proper divisors (126503338).

168671108 is a wasteful number, since it uses less digits than its factorization.

168671108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42167781 (or 42167779 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 168671108 is about 12987.3441472843. The cubic root of 168671108 is about 552.5185956355.

The spelling of 168671108 in words is "one hundred sixty-eight million, six hundred seventy-one thousand, one hundred eight".

Divisors: 1 2 4 42167777 84335554 168671108