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13808377828392 = 23371031676617229
BaseRepresentation
bin1100100011110000001101…
…1101001001010000101000
31210220001211121000001021120
43020330003131021100220
53302214024211002032
645211251534535240
72623423321643160
oct310740335112050
953801747001246
1013808377828392
114444111333a04
1216701a5967520
137921805257a4
1435a486cc75a0
1518e2c320862c
hexc8f03749428

13808377828392 has 256 divisors, whose sum is σ = 40140256665600. Its totient is φ = 3877140833280.

The previous prime is 13808377828367. The next prime is 13808377828451. The reversal of 13808377828392 is 29382877380831.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1910133034 + ... + 1910140262.

It is an arithmetic number, because the mean of its divisors is an integer number (156797877600).

Almost surely, 213808377828392 is an apocalyptic number.

13808377828392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13808377828392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20070128332800).

13808377828392 is an abundant number, since it is smaller than the sum of its proper divisors (26331878837208).

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

13808377828392 is a wasteful number, since it uses less digits than its factorization.

13808377828392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8176 (or 8172 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 69.

The spelling of 13808377828392 in words is "thirteen trillion, eight hundred eight billion, three hundred seventy-seven million, eight hundred twenty-eight thousand, three hundred ninety-two".