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16199485488 = 2434233147373
BaseRepresentation
bin11110001011001000…
…01000100000110000
31112210222012010110000
433011210020200300
5231134032013423
611235243110000
71112303232444
oct170544104060
945728163400
1016199485488
11696320723a
123181212300
1316b21c0294
14ad965c824
1564c29c843
hex3c5908830

16199485488 has 400 divisors, whose sum is σ = 51715547136. Its totient is φ = 4878973440.

The previous prime is 16199485483. The next prime is 16199485493. The reversal of 16199485488 is 88458499161.

16199485488 is a `hidden beast` number, since 1 + 61 + 9 + 94 + 8 + 5 + 488 = 666.

It is an interprime number because it is at equal distance from previous prime (16199485483) and next prime (16199485493).

It is not an unprimeable number, because it can be changed into a prime (16199485483) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 43430070 + ... + 43430442.

Almost surely, 216199485488 is an apocalyptic number.

16199485488 is a gapful number since it is divisible by the number (18) 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 16199485488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25857773568).

16199485488 is an abundant number, since it is smaller than the sum of its proper divisors (35516061648).

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

16199485488 is a wasteful number, since it uses less digits than its factorization.

16199485488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 479 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 63.

The spelling of 16199485488 in words is "sixteen billion, one hundred ninety-nine million, four hundred eighty-five thousand, four hundred eighty-eight".