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16112104281 = 3371329322381
BaseRepresentation
bin11110000000101101…
…10011001101011001
31112120212202200222000
433000112303031121
5230444144314111
611222442151213
71110162424650
oct170026631531
945525680860
1016112104281
116918954469
123157ab2509
13169a077320
14acbbd4197
1564478bc56
hex3c05b3359

16112104281 has 64 divisors (see below), whose sum is σ = 29479779840. Its totient is φ = 8469308160.

The previous prime is 16112104259. The next prime is 16112104289. The reversal of 16112104281 is 18240121161.

It is a happy number.

16112104281 is a `hidden beast` number, since 1 + 611 + 2 + 1 + 0 + 42 + 8 + 1 = 666.

16112104281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16112104281 - 27 = 16112104153 is a prime.

It is a super-2 number, since 2×161121042812 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16112104289) 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 63 ways as a sum of consecutive naturals, for example, 708711 + ... + 731091.

It is an arithmetic number, because the mean of its divisors is an integer number (460621560).

Almost surely, 216112104281 is an apocalyptic number.

It is an amenable number.

16112104281 is a deficient number, since it is larger than the sum of its proper divisors (13367675559).

16112104281 is a wasteful number, since it uses less digits than its factorization.

16112104281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22703 (or 22697 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The spelling of 16112104281 in words is "sixteen billion, one hundred twelve million, one hundred four thousand, two hundred eighty-one".

Divisors: 1 3 7 9 13 21 27 39 63 91 117 189 273 293 351 819 879 2051 2457 2637 3809 6153 7911 11427 18459 22381 26663 34281 55377 67143 79989 102843 156667 201429 239967 290953 470001 604287 719901 872859 1410003 2036671 2618577 4230009 6110013 6557633 7855731 18330039 19672899 45903431 54990117 59018697 85249229 137710293 177056091 255747687 413130879 596744603 767243061 1239392637 1790233809 2301729183 5370701427 16112104281