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16112631 = 3411011297
BaseRepresentation
bin111101011101…
…101111110111
31010022121101010
4331131233313
513111101011
61333203303
7253645413
oct75355767
933277333
1016112631
119105727
125490533
133451c02
1421d5d43
1516341a6
hexf5dbf7

16112631 has 16 divisors (see below), whose sum is σ = 22242528. Its totient is φ = 10368000.

The previous prime is 16112611. The next prime is 16112639. The reversal of 16112631 is 13621161.

It is not a de Polignac number, because 16112631 - 26 = 16112567 is a prime.

It is a super-2 number, since 2×161126312 = 519233755484322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16112598 and 16112607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16112639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11775 + ... + 13071.

It is an arithmetic number, because the mean of its divisors is an integer number (1390158).

Almost surely, 216112631 is an apocalyptic number.

16112631 is a deficient number, since it is larger than the sum of its proper divisors (6129897).

16112631 is a wasteful number, since it uses less digits than its factorization.

16112631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its digits is 216, while the sum is 21.

The square root of 16112631 is about 4014.0541849855. The cubic root of 16112631 is about 252.5741036625.

Adding to 16112631 its reverse (13621161), we get a palindrome (29733792).

The spelling of 16112631 in words is "sixteen million, one hundred twelve thousand, six hundred thirty-one".

Divisors: 1 3 41 101 123 303 1297 3891 4141 12423 53177 130997 159531 392991 5370877 16112631