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161130055364 = 2240282513841
BaseRepresentation
bin1001011000010000011…
…0011000011011000100
3120101220102121220112022
42112010012120123010
510114443243232424
6202004440142312
714432644605155
oct2260406303304
9511812556468
10161130055364
1162375796513
122728a167998
131226b411835
147b27a3792c
1542d0cad95e
hex25841986c4

161130055364 has 6 divisors (see below), whose sum is σ = 281977596894. Its totient is φ = 80565027680.

The previous prime is 161130055349. The next prime is 161130055369. The reversal of 161130055364 is 463550031161.

It can be written as a sum of positive squares in only one way, i.e., 137943902464 + 23186152900 = 371408^2 + 152270^2 .

It is not an unprimeable number, because it can be changed into a prime (161130055369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20141256917 + ... + 20141256924.

It is an arithmetic number, because the mean of its divisors is an integer number (46996266149).

Almost surely, 2161130055364 is an apocalyptic number.

It is an amenable number.

161130055364 is a deficient number, since it is larger than the sum of its proper divisors (120847541530).

161130055364 is a wasteful number, since it uses less digits than its factorization.

161130055364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40282513845 (or 40282513843 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 161130055364 in words is "one hundred sixty-one billion, one hundred thirty million, fifty-five thousand, three hundred sixty-four".

Divisors: 1 2 4 40282513841 80565027682 161130055364