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16120131 = 317218593
BaseRepresentation
bin111101011111…
…100101000011
31010022222122220
4331133211003
513111321011
61333302123
7254006316
oct75374503
933288586
1016120131
119110325
125494943
133455451
1421d897d
151636506
hexf5f943

16120131 has 12 divisors (see below), whose sum is σ = 22833432. Its totient is φ = 10114048.

The previous prime is 16120129. The next prime is 16120147. The reversal of 16120131 is 13102161.

It is not a de Polignac number, because 16120131 - 21 = 16120129 is a prime.

It is a super-2 number, since 2×161201312 = 519717246914322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16120131.

It is not an unprimeable number, because it can be changed into a prime (16120231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8430 + ... + 10163.

It is an arithmetic number, because the mean of its divisors is an integer number (1902786).

Almost surely, 216120131 is an apocalyptic number.

16120131 is a deficient number, since it is larger than the sum of its proper divisors (6713301).

16120131 is a wasteful number, since it uses less digits than its factorization.

16120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18630 (or 18613 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 16120131 is about 4014.9882938808. The cubic root of 16120131 is about 252.6132864199.

Adding to 16120131 its reverse (13102161), we get a palindrome (29222292).

The spelling of 16120131 in words is "sixteen million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 17 51 289 867 18593 55779 316081 948243 5373377 16120131