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2025065387520 = 29335731374189
BaseRepresentation
bin11101011101111111010…
…011011001011000000000
321011121001021210110121000
4131131333103121120000
5231134313214400040
64150145135132000
7266210002532430
oct35357723313000
97147037713530
102025065387520
1171090968848a
1228857a374000
13118c694b2b16
14700297b82c0
1537a237b9130
hex1d77f4d9600

2025065387520 has 2560 divisors, whose sum is σ = 9028222156800. Its totient is φ = 420426547200.

The previous prime is 2025065387519. The next prime is 2025065387539. The reversal of 2025065387520 is 257835605202.

2025065387520 is a `hidden beast` number, since 2 + 0 + 2 + 506 + 53 + 8 + 75 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2560).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 22753543636 + ... + 22753543724.

It is an arithmetic number, because the mean of its divisors is an integer number (3526649280).

Almost surely, 22025065387520 is an apocalyptic number.

2025065387520 is a gapful number since it is divisible by the number (20) 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 2025065387520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4514111078400).

2025065387520 is an abundant number, since it is smaller than the sum of its proper divisors (7003156769280).

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

2025065387520 is a wasteful number, since it uses less digits than its factorization.

2025065387520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 2025065387520 in words is "two trillion, twenty-five billion, sixty-five million, three hundred eighty-seven thousand, five hundred twenty".