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65316808704 = 211372239433
BaseRepresentation
bin111100110101001011…
…110110100000000000
320020121001002200011010
4330311023312200000
52032232100334304
650001153520520
74501416466500
oct746513664000
9206531080133
1065316808704
11257786aa144
12107aa573140
13620c120544
143238a61a00
151a743d8789
hexf352f6800

65316808704 has 288 divisors, whose sum is σ = 211395562560. Its totient is φ = 17848664064.

The previous prime is 65316808633. The next prime is 65316808709. The reversal of 65316808704 is 40780861356.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (65316808709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6919572 + ... + 6929004.

It is an arithmetic number, because the mean of its divisors is an integer number (734012370).

Almost surely, 265316808704 is an apocalyptic number.

65316808704 is a gapful number since it is divisible by the number (64) 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 65316808704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105697781280).

65316808704 is an abundant number, since it is smaller than the sum of its proper divisors (146078753856).

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

65316808704 is a wasteful number, since it uses less digits than its factorization.

65316808704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9495 (or 9468 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 65316808704 in words is "sixty-five billion, three hundred sixteen million, eight hundred eight thousand, seven hundred four".