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160505315042 = 22832892
BaseRepresentation
bin1001010101111011011…
…1001011111011100010
3120100021220001210220212
42111132313023323202
510112203330040132
6201422441534122
714411320444622
oct2253667137342
9510256053825
10160505315042
116208507a8a6
1227134aa4342
131219bb62cc7
147aa8a90882
1542960055b2
hex255edcbee2

160505315042 has 6 divisors (see below), whose sum is σ = 240758822433. Its totient is φ = 80252374232.

The previous prime is 160505315027. The next prime is 160505315051. The reversal of 160505315042 is 240513505061.

It can be written as a sum of positive squares in 2 ways, for example, as 138861314881 + 21644000161 = 372641^2 + 147119^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=283289.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 424934 + ... + 708222.

Almost surely, 2160505315042 is an apocalyptic number.

160505315042 is a deficient number, since it is larger than the sum of its proper divisors (80253507391).

160505315042 is an frugal number, since it uses more digits than its factorization.

160505315042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566580 (or 283291 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Multiplying 160505315042 by its sum of digits (32), we get a square (5136170081344 = 22663122).

The spelling of 160505315042 in words is "one hundred sixty billion, five hundred five million, three hundred fifteen thousand, forty-two".

Divisors: 1 2 283289 566578 80252657521 160505315042