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4797985920 = 273572133923
BaseRepresentation
bin1000111011111101…
…10111010010000000
3110101101020221100020
410131332313102000
534311241022140
62112033253440
7226620131100
oct43576672200
913341227306
104797985920
112042379922
12b1aa04280
135b604a930
14337317200
151d13506d0
hex11dfb7480

4797985920 has 384 divisors, whose sum is σ = 19163874240. Its totient is φ = 1012064256.

The previous prime is 4797985919. The next prime is 4797986021. The reversal of 4797985920 is 295897974.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1221079 + ... + 1225001.

Almost surely, 24797985920 is an apocalyptic number.

4797985920 is a gapful number since it is divisible by the number (40) 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 4797985920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9581937120).

4797985920 is an abundant number, since it is smaller than the sum of its proper divisors (14365888320).

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

4797985920 is a wasteful number, since it uses less digits than its factorization.

4797985920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 60.

The square root of 4797985920 is about 69267.4954072976. The cubic root of 4797985920 is about 1686.6293613653.

The spelling of 4797985920 in words is "four billion, seven hundred ninety-seven million, nine hundred eighty-five thousand, nine hundred twenty".