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65090268000 = 2532532962347
BaseRepresentation
bin111100100111101011…
…101010101101100000
320020000020211012201200
4330213223222231200
52031301102034000
645522502201200
74462666102122
oct744753525540
9206006735650
1065090268000
112567183981a
1210746723200
1361a42029a4
143216931212
151a5e58a500
hexf27aeab60

65090268000 has 288 divisors, whose sum is σ = 238974896160. Its totient is φ = 16758604800.

The previous prime is 65090267989. The next prime is 65090268007. The reversal of 65090268000 is 86209056.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65090268007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1012827 + ... + 1075173.

It is an arithmetic number, because the mean of its divisors is an integer number (829773945).

Almost surely, 265090268000 is an apocalyptic number.

65090268000 is a gapful number since it is divisible by the number (60) 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 65090268000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119487448080).

65090268000 is an abundant number, since it is smaller than the sum of its proper divisors (173884628160).

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

65090268000 is a wasteful number, since it uses less digits than its factorization.

65090268000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62407 (or 62386 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 65090268000 in words is "sixty-five billion, ninety million, two hundred sixty-eight thousand".