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161952075468588 = 22313496006289049
BaseRepresentation
bin100100110100101101100111…
…111011011100111100101100
3210020102110121121002110021010
4210310231213323130330230
5132211410322304443323
61332235431213105220
746053436256036106
oct4464554773347454
9706373547073233
10161952075468588
114766a54257a309
12161b7492488210
136c4a027497ab2
142bdc7451aa576
1513acb29cc8c93
hex934b67edcf2c

161952075468588 has 12 divisors (see below), whose sum is σ = 377888176093400. Its totient is φ = 53984025156192.

The previous prime is 161952075468583. The next prime is 161952075468607. The reversal of 161952075468588 is 885864570259161.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (161952075468581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6748003144513 + ... + 6748003144536.

Almost surely, 2161952075468588 is an apocalyptic number.

It is an amenable number.

161952075468588 is an abundant number, since it is smaller than the sum of its proper divisors (215936100624812).

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

161952075468588 is a wasteful number, since it uses less digits than its factorization.

161952075468588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13496006289056 (or 13496006289054 counting only the distinct ones).

The product of its (nonzero) digits is 1161216000, while the sum is 75.

The spelling of 161952075468588 in words is "one hundred sixty-one trillion, nine hundred fifty-two billion, seventy-five million, four hundred sixty-eight thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13496006289049 26992012578098 40488018867147 53984025156196 80976037734294 161952075468588