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20463528960000 = 2133454721953
BaseRepresentation
bin1001010011100100010010…
…10111111110000000000000
32200110021221111222102110000
410221302021113332000000
510140233301403210000
6111304452044240000
74211304216124500
oct451621127760000
980407844872400
1020463528960000
11657a596684365
122365b76540000
13b55919518369
1450a62384da00
15257483c10000
hex129c895fe000

20463528960000 has 4200 divisors, whose sum is σ = 95307800397480. Its totient is φ = 4347592704000.

The previous prime is 20463528959969. The next prime is 20463528960001. The reversal of 20463528960000 is 6982536402.

20463528960000 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 35 + 2 + 8 + 9 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (4200).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20463528960001) by changing a digit.

It is a polite number, since it can be written in 299 ways as a sum of consecutive naturals, for example, 386104319974 + ... + 386104320026.

Almost surely, 220463528960000 is an apocalyptic number.

20463528960000 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 20463528960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47653900198740).

20463528960000 is an abundant number, since it is smaller than the sum of its proper divisors (74844271437480).

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

20463528960000 is an frugal number, since it uses more digits than its factorization.

20463528960000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 20463528960000 in words is "twenty trillion, four hundred sixty-three billion, five hundred twenty-eight million, nine hundred sixty thousand".