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268075161106840 = 23519431073449053
BaseRepresentation
bin111100111101000000011100…
…110000000011100110011000
31022011011201211220021210212201
4330331000130300003212120
5240114120412220404330
62350052010123215544
7110315535253326043
oct7475003460034630
91264151756253781
10268075161106840
117846504581570a
12260969190775b4
13b6774c11c4c29
144a2ac9ac4dc5a
1520ed3b4344eca
hexf3d01cc03998

268075161106840 has 32 divisors (see below), whose sum is σ = 603169597784880. Its totient is φ = 107229978168192.

The previous prime is 268075161106813. The next prime is 268075161106843. The reversal of 268075161106840 is 48601161570862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268075161106843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75999754 + ... + 79448806.

Almost surely, 2268075161106840 is an apocalyptic number.

268075161106840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268075161106840 is an abundant number, since it is smaller than the sum of its proper divisors (335094436678040).

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

268075161106840 is a wasteful number, since it uses less digits than its factorization.

268075161106840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392171 (or 5392167 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 268075161106840 in words is "two hundred sixty-eight trillion, seventy-five billion, one hundred sixty-one million, one hundred six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1943107 3449053 3886214 6898106 7772428 9715535 13796212 15544856 17245265 19431070 27592424 34490530 38862140 68981060 77724280 137962120 6701879027671 13403758055342 26807516110684 33509395138355 53615032221368 67018790276710 134037580553420 268075161106840