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16930468988 = 2241602917123
BaseRepresentation
bin11111100010010001…
…00111010001111100
31121200220122221021222
433301020213101330
5234133200001423
611435554412512
71136360416616
oct176110472174
947626587258
1016930468988
1171a8898a34
123345b91138
13179a78a1b4
14b6877ddb6
156915403c8
hex3f122747c

16930468988 has 24 divisors (see below), whose sum is σ = 30357769680. Its totient is φ = 8256913280.

The previous prime is 16930468987. The next prime is 16930469051. The reversal of 16930468988 is 88986403961.

It is a self number, because there is not a number n which added to its sum of digits gives 16930468988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16930468987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980195 + ... + 997317.

It is an arithmetic number, because the mean of its divisors is an integer number (1264907070).

Almost surely, 216930468988 is an apocalyptic number.

It is an amenable number.

16930468988 is a deficient number, since it is larger than the sum of its proper divisors (13427300692).

16930468988 is a wasteful number, since it uses less digits than its factorization.

16930468988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23197 (or 23195 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 62.

The spelling of 16930468988 in words is "sixteen billion, nine hundred thirty million, four hundred sixty-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 4 41 82 164 6029 12058 17123 24116 34246 68492 247189 494378 702043 988756 1404086 2808172 103234567 206469134 412938268 4232617247 8465234494 16930468988