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8463648648 = 23371319593457
BaseRepresentation
bin1111110000111100…
…10000011110001000
3210211211211220021110
413320132100132020
5114313143224043
63515501210320
7416510553330
oct77036203610
923754756243
108463648648
113653566554
1217825609a0
13a4b60b330
145a40ba0c0
15348082b33
hex1f8790788

8463648648 has 256 divisors, whose sum is σ = 27885312000. Its totient is φ = 2078244864.

The previous prime is 8463648617. The next prime is 8463648659. The reversal of 8463648648 is 8468463648.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2446536 + ... + 2449992.

It is an arithmetic number, because the mean of its divisors is an integer number (108927000).

Almost surely, 28463648648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8463648648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13942656000).

8463648648 is an abundant number, since it is smaller than the sum of its proper divisors (19421663352).

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

8463648648 is a wasteful number, since it uses less digits than its factorization.

8463648648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3560 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 57.

The square root of 8463648648 is about 91998.0904584438. The cubic root of 8463648648 is about 2037.9141058916.

The spelling of 8463648648 in words is "eight billion, four hundred sixty-three million, six hundred forty-eight thousand, six hundred forty-eight".