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53099141760 = 2734571311117
BaseRepresentation
bin110001011100111101…
…001001101010000000
312002001120101212220000
4301130331021222000
51332221340014020
640220550520000
73556563154320
oct613475115200
9162046355800
1053099141760
1120579099135
12a35a966000
135012b57212
1427da183280
1515ab9be090
hexc5cf49a80

53099141760 has 640 divisors, whose sum is σ = 218565959040. Its totient is φ = 12033515520.

The previous prime is 53099141653. The next prime is 53099141761. The reversal of 53099141760 is 6714199035.

53099141760 is a `hidden beast` number, since 530 + 9 + 9 + 1 + 41 + 76 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (53099141761) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 47536722 + ... + 47537838.

It is an arithmetic number, because the mean of its divisors is an integer number (341509311).

Almost surely, 253099141760 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 53099141760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109282979520).

53099141760 is an abundant number, since it is smaller than the sum of its proper divisors (165466817280).

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

53099141760 is a wasteful number, since it uses less digits than its factorization.

53099141760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 53099141760 in words is "fifty-three billion, ninety-nine million, one hundred forty-one thousand, seven hundred sixty".