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168838101 = 3517231777
BaseRepresentation
bin10100001000001…
…00001111010101
3102202200212100000
422010010033111
5321210304401
624430441513
74120046235
oct1204041725
9382625300
10168838101
1187339623
1248663299
1328c96503
14185cdcc5
15ec51186
hexa1043d5

168838101 has 48 divisors (see below), whose sum is σ = 279586944. Its totient is φ = 101274624.

The previous prime is 168838097. The next prime is 168838127. The reversal of 168838101 is 101838861.

It is not a de Polignac number, because 168838101 - 22 = 168838097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168838181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94125 + ... + 95901.

It is an arithmetic number, because the mean of its divisors is an integer number (5824728).

Almost surely, 2168838101 is an apocalyptic number.

It is an amenable number.

168838101 is a deficient number, since it is larger than the sum of its proper divisors (110748843).

168838101 is a wasteful number, since it uses less digits than its factorization.

168838101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 168838101 is about 12993.7716233586. The cubic root of 168838101 is about 552.7008760234.

The spelling of 168838101 in words is "one hundred sixty-eight million, eight hundred thirty-eight thousand, one hundred one".

Divisors: 1 3 9 17 23 27 51 69 81 153 207 243 391 459 621 1173 1377 1777 1863 3519 4131 5331 5589 10557 15993 30209 31671 40871 47979 90627 95013 122613 143937 271881 367839 431811 694807 815643 1103517 2084421 2446929 3310551 6253263 7340787 9931653 18759789 56279367 168838101