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160030071 = 32157911261
BaseRepresentation
bin10011000100111…
…01110101110111
3102011010100222200
421202131311313
5311431430241
623513555543
73652142655
oct1142356567
9364110880
10160030071
1182372a63
1245715bb3
1327201366
1417379dd5
15e0b14b6
hex989dd77

160030071 has 12 divisors (see below), whose sum is σ = 231321480. Its totient is φ = 106609680.

The previous prime is 160030051. The next prime is 160030081. The reversal of 160030071 is 170030061.

It is not a de Polignac number, because 160030071 - 29 = 160029559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160030001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8581 + ... + 19841.

It is an arithmetic number, because the mean of its divisors is an integer number (19276790).

Almost surely, 2160030071 is an apocalyptic number.

160030071 is a deficient number, since it is larger than the sum of its proper divisors (71291409).

160030071 is a wasteful number, since it uses less digits than its factorization.

160030071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12846 (or 12843 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 160030071 is about 12650.2992454724. The cubic root of 160030071 is about 542.9175317102.

It can be divided in two parts, 16003007 and 1, that added together give a cube (16003008 = 2523).

The spelling of 160030071 in words is "one hundred sixty million, thirty thousand, seventy-one".

Divisors: 1 3 9 1579 4737 11261 14211 33783 101349 17781119 53343357 160030071