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161151152 = 2479127493
BaseRepresentation
bin10011001101011…
…11100010110000
3102020020022211012
421212233202300
5312223314102
623554010052
73664522301
oct1146574260
9366208735
10161151152
1182a69278
1245b76928
1327504716
141758c7a8
15e233752
hex99af8b0

161151152 has 20 divisors (see below), whose sum is σ = 316185120. Its totient is φ = 79555008.

The previous prime is 161151149. The next prime is 161151163. The reversal of 161151152 is 251151161.

161151152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62483 + ... + 65010.

It is an arithmetic number, because the mean of its divisors is an integer number (15809256).

Almost surely, 2161151152 is an apocalyptic number.

It is an amenable number.

161151152 is a deficient number, since it is larger than the sum of its proper divisors (155033968).

161151152 is a wasteful number, since it uses less digits than its factorization.

161151152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127580 (or 127574 counting only the distinct ones).

The product of its digits is 300, while the sum is 23.

The square root of 161151152 is about 12694.5323663379. The cubic root of 161151152 is about 544.1823746945.

Subtracting 161151152 from its reverse (251151161), we obtain a palindrome (90000009).

The spelling of 161151152 in words is "one hundred sixty-one million, one hundred fifty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 79 158 316 632 1264 127493 254986 509972 1019944 2039888 10071947 20143894 40287788 80575576 161151152