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163112515562140 = 22567725394744669
BaseRepresentation
bin100101000101100110010111…
…100011000110101010011100
3210101112101220122212002121021
4211011212113203012222130
5132334413412440442030
61334524504415413524
746233330123060664
oct4505462743065234
9711471818762537
10163112515562140
1147a776a1778141
121636436b5242a4
1370025a0c3bb21
142c3c98b7671a4
1513ccde696097a
hex9459978c6a9c

163112515562140 has 48 divisors (see below), whose sum is σ = 343177426216800. Its totient is φ = 65122959612672.

The previous prime is 163112515562131. The next prime is 163112515562159. The reversal of 163112515562140 is 41265515211361.

It is a congruent number.

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, 32005726 + ... + 36750394.

It is an arithmetic number, because the mean of its divisors is an integer number (7149529712850).

Almost surely, 2163112515562140 is an apocalyptic number.

163112515562140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163112515562140 is an abundant number, since it is smaller than the sum of its proper divisors (180064910654660).

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

163112515562140 is a wasteful number, since it uses less digits than its factorization.

163112515562140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747894 (or 4747892 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 163112515562140 in words is "one hundred sixty-three trillion, one hundred twelve billion, five hundred fifteen million, five hundred sixty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 677 1354 2539 2708 3385 5078 6770 10156 12695 13540 25390 50780 1718903 3437806 4744669 6875612 8594515 9489338 17189030 18978676 23723345 34378060 47446690 94893380 3212140913 6424281826 12046714591 12848563652 16060704565 24093429182 32121409130 48186858364 60233572955 64242818260 120467145910 240934291820 8155625778107 16311251556214 32622503112428 40778128890535 81556257781070 163112515562140