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16189478970 = 23572232109191
BaseRepresentation
bin11110001001111011…
…11101100000111010
31112210021100202002020
433010331331200322
5231124001311340
611234244415310
71112122205100
oct170475754072
945707322066
1016189478970
1169585a2195
1231799a7536
1316b00c8772
14ad81b5c70
1564b4729d0
hex3c4f7d83a

16189478970 has 288 divisors, whose sum is σ = 47932093440. Its totient is φ = 3488728320.

The previous prime is 16189478957. The next prime is 16189479067. The reversal of 16189478970 is 7987498161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 84761575 + ... + 84761765.

It is an arithmetic number, because the mean of its divisors is an integer number (166430880).

Almost surely, 216189478970 is an apocalyptic number.

16189478970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16189478970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23966046720).

16189478970 is an abundant number, since it is smaller than the sum of its proper divisors (31742614470).

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

16189478970 is a wasteful number, since it uses less digits than its factorization.

16189478970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 60.

The spelling of 16189478970 in words is "sixteen billion, one hundred eighty-nine million, four hundred seventy-eight thousand, nine hundred seventy".