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161350510306164 = 22337680735683721
BaseRepresentation
bin100100101011111101010111…
…110110011110001101110100
3210011021221212111002220120020
4210223331113312132031310
5132122031321114244124
61331055222352005140
745662122026365244
oct4453752766361564
9704257774086506
10161350510306164
114745840473a053
121611a9875307b0
136c053984b169a
142bbb5990ddb24
15139c16c83e379
hex92bf57d9e374

161350510306164 has 24 divisors (see below), whose sum is σ = 376485533742528. Its totient is φ = 53783359193280.

The previous prime is 161350510306159. The next prime is 161350510306189. The reversal of 161350510306164 is 461603015053161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13320177 + ... + 22363544.

It is an arithmetic number, because the mean of its divisors is an integer number (15686897239272).

Almost surely, 2161350510306164 is an apocalyptic number.

It is an amenable number.

161350510306164 is an abundant number, since it is smaller than the sum of its proper divisors (215135023436364).

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

161350510306164 is a wasteful number, since it uses less digits than its factorization.

161350510306164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36060535 (or 36060533 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 161350510306164 in words is "one hundred sixty-one trillion, three hundred fifty billion, five hundred ten million, three hundred six thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 376807 753614 1130421 1507228 2260842 4521684 35683721 71367442 107051163 142734884 214102326 428204652 13445875858847 26891751717694 40337627576541 53783503435388 80675255153082 161350510306164