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14387728992 = 2537131646947
BaseRepresentation
bin11010110011001001…
…10101001001100000
31101010201001100202120
431121210311021200
5213431224311432
610335402544240
71016353451520
oct153144651140
941121040676
1014387728992
11611355281a
122956508080
131483a45010
149a6ba5680
155931c0c2c
hex359935260

14387728992 has 96 divisors (see below), whose sum is σ = 46483460352. Its totient is φ = 3794563584.

The previous prime is 14387728973. The next prime is 14387728997. The reversal of 14387728992 is 29982778341.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14387728997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814738 + ... + 832209.

It is an arithmetic number, because the mean of its divisors is an integer number (484202712).

Almost surely, 214387728992 is an apocalyptic number.

14387728992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14387728992 is an abundant number, since it is smaller than the sum of its proper divisors (32095731360).

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

14387728992 is a wasteful number, since it uses less digits than its factorization.

14387728992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646980 (or 1646972 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The spelling of 14387728992 in words is "fourteen billion, three hundred eighty-seven million, seven hundred twenty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 78 84 91 96 104 112 156 168 182 208 224 273 312 336 364 416 546 624 672 728 1092 1248 1456 2184 2912 4368 8736 1646947 3293894 4940841 6587788 9881682 11528629 13175576 19763364 21410311 23057258 26351152 34585887 39526728 42820622 46114516 52702304 64230933 69171774 79053456 85641244 92229032 128461866 138343548 149872177 158106912 171282488 184458064 256923732 276687096 299744354 342564976 368916128 449616531 513847464 553374192 599488708 685129952 899233062 1027694928 1106748384 1198977416 1798466124 2055389856 2397954832 3596932248 4795909664 7193864496 14387728992