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19069494768 = 243354498101
BaseRepresentation
bin10001110000101000…
…010110010111110000
31211012222121201001000
4101300220112113300
5303023242313033
612432125242000
71243363013442
oct216050262760
954188551030
1019069494768
1180a6261735
123842403300
131a4b99031c
14ccc8a8492
15769215a13
hex470a165f0

19069494768 has 80 divisors (see below), whose sum is σ = 54753316000. Its totient is φ = 6354547200.

The previous prime is 19069494751. The next prime is 19069494781. The reversal of 19069494768 is 86749496091.

19069494768 is a `hidden beast` number, since 19 + 0 + 69 + 494 + 76 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2349918 + ... + 2358018.

It is an arithmetic number, because the mean of its divisors is an integer number (684416450).

Almost surely, 219069494768 is an apocalyptic number.

19069494768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19069494768 is an abundant number, since it is smaller than the sum of its proper divisors (35683821232).

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

19069494768 is a wasteful number, since it uses less digits than its factorization.

19069494768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13567 (or 13555 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 19069494768 in words is "nineteen billion, sixty-nine million, four hundred ninety-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 5449 8101 10898 16202 16347 21796 24303 32404 32694 43592 48606 49041 64808 65388 72909 87184 97212 98082 129616 130776 145818 147123 194424 196164 218727 261552 291636 294246 388848 392328 437454 583272 588492 784656 874908 1166544 1176984 1749816 2353968 3499632 44142349 88284698 132427047 176569396 264854094 353138792 397281141 529708188 706277584 794562282 1059416376 1191843423 1589124564 2118832752 2383686846 3178249128 4767373692 6356498256 9534747384 19069494768