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168261806060 = 225371889120371
BaseRepresentation
bin1001110010110100101…
…1110110011111101100
3121002022110021101021222
42130231023312133230
510224100010243220
6205144242242512
715104453516225
oct2345513663754
9532273241258
10168261806060
11653a5448357
122873a656438
1312b36ac706a
148202c8c24c
15459be4ee25
hex272d2f67ec

168261806060 has 48 divisors (see below), whose sum is σ = 363094915680. Its totient is φ = 65450465280.

The previous prime is 168261806029. The next prime is 168261806087. The reversal of 168261806060 is 60608162861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337675 + ... + 1458045.

It is an arithmetic number, because the mean of its divisors is an integer number (7564477410).

Almost surely, 2168261806060 is an apocalyptic number.

168261806060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168261806060 is an abundant number, since it is smaller than the sum of its proper divisors (194833109620).

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

168261806060 is a wasteful number, since it uses less digits than its factorization.

168261806060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122306 (or 122304 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 168261806060 in words is "one hundred sixty-eight billion, two hundred sixty-one million, eight hundred six thousand, sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 1889 3778 7556 9445 18890 37780 69893 120371 139786 240742 279572 349465 481484 601855 698930 1203710 1397860 2407420 4453727 8907454 17814908 22268635 44537270 89074540 227380819 454761638 909523276 1136904095 2273808190 4547616380 8413090303 16826180606 33652361212 42065451515 84130903030 168261806060