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16820232000 = 263531113329
BaseRepresentation
bin11111010101001000…
…00101111101000000
31121102020020022120120
433222210011331000
5233421434411000
611421015540240
71133551420155
oct175244057500
947366208516
1016820232000
117151645290
12331508a680
1317809a1000
14b57c8622c
15686a176a0
hex3ea905f40

16820232000 has 896 divisors, whose sum is σ = 67899686400. Its totient is φ = 3634176000.

The previous prime is 16820231983. The next prime is 16820232031. The reversal of 16820232000 is 23202861.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 580007986 + ... + 580008014.

It is an arithmetic number, because the mean of its divisors is an integer number (75780900).

Almost surely, 216820232000 is an apocalyptic number.

16820232000 is a gapful number since it is divisible by the number (10) 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 16820232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33949843200).

16820232000 is an abundant number, since it is smaller than the sum of its proper divisors (51079454400).

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

16820232000 is a wasteful number, since it uses less digits than its factorization.

16820232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 16820232000 its reverse (23202861), we get a palindrome (16843434861).

The spelling of 16820232000 in words is "sixteen billion, eight hundred twenty million, two hundred thirty-two thousand".