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19149337116 = 22337131948447
BaseRepresentation
bin10001110101011000…
…111011001000011100
31211102112212010011000
4101311120323020130
5303204212241431
612444100430300
71245352452120
oct216530731034
954375763130
1019149337116
118137335448
1238650a8390
131a62396a10
14cd932d580
157712379e6
hex47563b21c

19149337116 has 96 divisors (see below), whose sum is σ = 61103329280. Its totient is φ = 5050372032.

The previous prime is 19149337111. The next prime is 19149337117. The reversal of 19149337116 is 61173394191.

19149337116 is a `hidden beast` number, since 1 + 91 + 493 + 3 + 71 + 1 + 6 = 666.

It is a super-2 number, since 2×191493371162 (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19149337111) 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 31 ways as a sum of consecutive naturals, for example, 964396 + ... + 984051.

Almost surely, 219149337116 is an apocalyptic number.

It is an amenable number.

19149337116 is an abundant number, since it is smaller than the sum of its proper divisors (41953992164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19149337116 is a wasteful number, since it uses less digits than its factorization.

19149337116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948480 (or 1948472 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The spelling of 19149337116 in words is "nineteen billion, one hundred forty-nine million, three hundred thirty-seven thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 84 91 108 117 126 156 182 189 234 252 273 351 364 378 468 546 702 756 819 1092 1404 1638 2457 3276 4914 9828 1948447 3896894 5845341 7793788 11690682 13639129 17536023 23381364 25329811 27278258 35072046 40917387 50659622 52608069 54556516 70144092 75989433 81834774 101319244 105216138 122752161 151978866 163669548 177308677 210432276 227968299 245504322 303957732 354617354 368256483 455936598 491008644 531926031 683904897 709234708 736512966 911873196 1063852062 1367809794 1473025932 1595778093 2127704124 2735619588 3191556186 4787334279 6383112372 9574668558 19149337116