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161482806756 = 223221372099033
BaseRepresentation
bin1001011001100100100…
…0000001010111100100
3120102211000101112110200
42112121020001113210
510121204044304011
6202103440550500
714444460131655
oct2263110012744
9512730345420
10161482806756
116253691a897
1227368322430
13122c651c17b
147b5c81d52c
154301c3c856
hex25992015e4

161482806756 has 36 divisors (see below), whose sum is σ = 408383856972. Its totient is φ = 53802388224.

The previous prime is 161482806721. The next prime is 161482806787. The reversal of 161482806756 is 657608284161.

161482806756 is a `hidden beast` number, since 16 + 1 + 482 + 80 + 6 + 75 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9640097856 + 151842708900 = 98184^2 + 389670^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 972585 + ... + 1126448.

It is an arithmetic number, because the mean of its divisors is an integer number (11343996027).

Almost surely, 2161482806756 is an apocalyptic number.

It is an amenable number.

161482806756 is an abundant number, since it is smaller than the sum of its proper divisors (246901050216).

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

161482806756 is a wasteful number, since it uses less digits than its factorization.

161482806756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101180 (or 2101175 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 161482806756 in words is "one hundred sixty-one billion, four hundred eighty-two million, eight hundred six thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 2137 4274 6411 8548 12822 19233 25644 38466 76932 2099033 4198066 6297099 8396132 12594198 18891297 25188396 37782594 75565188 4485633521 8971267042 13456900563 17942534084 26913801126 40370701689 53827602252 80741403378 161482806756