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161112304589676 = 22311171931971976379
BaseRepresentation
bin100100101000011111100001…
…101011110001101101101100
3210010110012000112000201211020
4210220133201223301231230
5132104130444433332201
61330353545420454140
745635660046245556
oct4450374153615554
9703405015021736
10161112304589676
114737638782a650
12160a07889aa350
136bb8a95a7b09b
142badc3cc7a4d6
151395d7a1aca36
hex9287e1af1b6c

161112304589676 has 768 divisors, whose sum is σ = 479185536614400. Its totient is φ = 41474919628800.

The previous prime is 161112304589651. The next prime is 161112304589689. The reversal of 161112304589676 is 676985403211161.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 25256667855 + ... + 25256674233.

It is an arithmetic number, because the mean of its divisors is an integer number (623939500800).

It is a 1-persistent number, because it is pandigital, but 2⋅161112304589676 = 322224609179352 is not.

Almost surely, 2161112304589676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161112304589676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239592768307200).

161112304589676 is an abundant number, since it is smaller than the sum of its proper divisors (318073232024724).

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

161112304589676 is a wasteful number, since it uses less digits than its factorization.

161112304589676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6758 (or 6756 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 161112304589676 in words is "one hundred sixty-one trillion, one hundred twelve billion, three hundred four million, five hundred eighty-nine thousand, six hundred seventy-six".