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16140289851 = 3372912912281
BaseRepresentation
bin11110000100000100…
…10100011100111011
31112122211210200022000
433002002110130323
5231023403233401
611225330232043
71110654125430
oct170202243473
945584720260
1016140289851
116932855724
123165425623
1316a2b6548a
14ad184db87
15646ea8186
hex3c209473b

16140289851 has 64 divisors (see below), whose sum is σ = 28304102400. Its totient is φ = 8894188800.

The previous prime is 16140289849. The next prime is 16140289861. The reversal of 16140289851 is 15898204161.

It is a happy number.

16140289851 is a `hidden beast` number, since 1 + 614 + 0 + 28 + 9 + 8 + 5 + 1 = 666.

It is not a de Polignac number, because 16140289851 - 21 = 16140289849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16140289797 and 16140289806.

It is not an unprimeable number, because it can be changed into a prime (16140289831) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7074831 + ... + 7077111.

It is an arithmetic number, because the mean of its divisors is an integer number (442251600).

Almost surely, 216140289851 is an apocalyptic number.

16140289851 is a deficient number, since it is larger than the sum of its proper divisors (12163812549).

16140289851 is a wasteful number, since it uses less digits than its factorization.

16140289851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3611 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 16140289851 in words is "sixteen billion, one hundred forty million, two hundred eighty-nine thousand, eight hundred fifty-one".

Divisors: 1 3 7 9 21 27 29 63 87 189 203 261 609 783 1291 1827 2281 3873 5481 6843 9037 11619 15967 20529 27111 34857 37439 47901 61587 66149 81333 112317 143703 198447 243999 262073 336951 431109 463043 595341 786219 1010853 1389129 1786023 2358657 2944771 4167387 7075971 8834313 12502161 20613397 26502939 61840191 79508817 85398359 185520573 256195077 556561719 597788513 768585231 1793365539 2305755693 5380096617 16140289851