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4865789016990 = 23251137433306781
BaseRepresentation
bin100011011001110011110…
…1000000011101110011110
3122020011110012110210001200
41012303213220003232132
51114210113442020430
614203151305220330
71011353534141316
oct106634750035636
918204405423050
104865789016990
11160662a05a590
12667032a916a6
13293ac3969915
1412b710d26446
1586884d5e460
hex46ce7a03b9e

4865789016990 has 192 divisors, whose sum is σ = 14206932073152. Its totient is φ = 1145050214400.

The previous prime is 4865789016973. The next prime is 4865789017003. The reversal of 4865789016990 is 996109875684.

4865789016990 is a `hidden beast` number, since 48 + 6 + 578 + 9 + 0 + 1 + 6 + 9 + 9 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15707400 + ... + 16014180.

It is an arithmetic number, because the mean of its divisors is an integer number (73994437881).

Almost surely, 24865789016990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4865789016990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7103466036576).

4865789016990 is an abundant number, since it is smaller than the sum of its proper divisors (9341143056162).

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

4865789016990 is a wasteful number, since it uses less digits than its factorization.

4865789016990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307275 (or 307272 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 72.

The spelling of 4865789016990 in words is "four trillion, eight hundred sixty-five billion, seven hundred eighty-nine million, sixteen thousand, nine hundred ninety".