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160242121 = 1313079431
BaseRepresentation
bin10011000110100…
…01100111001001
3102011112010212101
421203101213021
5312010221441
623522313401
73654015124
oct1143214711
9364463771
10160242121
11824a8306
12457b8861
1327276a30
14173d33bb
15e104231
hex98d19c9

160242121 has 8 divisors (see below), whose sum is σ = 172718784. Its totient is φ = 147786960.

The previous prime is 160242113. The next prime is 160242149. The reversal of 160242121 is 121242061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160242121 - 23 = 160242113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160242151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12276 + ... + 21706.

It is an arithmetic number, because the mean of its divisors is an integer number (21589848).

Almost surely, 2160242121 is an apocalyptic number.

It is an amenable number.

160242121 is a deficient number, since it is larger than the sum of its proper divisors (12476663).

160242121 is a wasteful number, since it uses less digits than its factorization.

160242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10751.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 160242121 is about 12658.6776955573. The cubic root of 160242121 is about 543.1572259329.

Adding to 160242121 its reverse (121242061), we get a palindrome (281484182).

It can be divided in two parts, 16024 and 2121, that added together give a triangular number (18145 = T190).

The spelling of 160242121 in words is "one hundred sixty million, two hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 13 1307 9431 16991 122603 12326317 160242121