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2427087421440 = 2163551117163
BaseRepresentation
bin100011010100011001101…
…011110000000000000000
322121000201220011210200000
4203110121223300000000
5304231133334441230
65054553310400000
7340231326455163
oct43243153600000
98530656153600
102427087421440
1185635a6368a0
12332476800000
13147b47a11626
148568632dada
1543202978b60
hex23519af0000

2427087421440 has 1632 divisors, whose sum is σ = 10140441083136. Its totient is φ = 550376570880.

The previous prime is 2427087421337. The next prime is 2427087421459. The reversal of 2427087421440 is 441247807242.

It is a happy number.

2427087421440 is a `hidden beast` number, since 2 + 42 + 70 + 87 + 4 + 21 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (1632).

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 95 ways as a sum of consecutive naturals, for example, 14890106799 + ... + 14890106961.

Almost surely, 22427087421440 is an apocalyptic number.

2427087421440 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 2427087421440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5070220541568).

2427087421440 is an abundant number, since it is smaller than the sum of its proper divisors (7713353661696).

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

2427087421440 is an equidigital number, since it uses as much as digits as its factorization.

2427087421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 45.

The spelling of 2427087421440 in words is "two trillion, four hundred twenty-seven billion, eighty-seven million, four hundred twenty-one thousand, four hundred forty".