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1890146119680 = 21234571319659
BaseRepresentation
bin11011100000010101011…
…111001111000000000000
320200200210112101112010000
4123200111133033000000
5221432004401312210
64004153211040000
7253362403633350
oct33402537170000
96620715345100
101890146119680
11669674232645
122663a6140000
13109317408120
14676aac64b60
1534278b49ac0
hex1b8157cf000

1890146119680 has 2080 divisors, whose sum is σ = 8791551014400. Its totient is φ = 377237274624.

The previous prime is 1890146119591. The next prime is 1890146119777. The reversal of 1890146119680 is 869116410981.

1890146119680 is a `hidden beast` number, since 1 + 8 + 9 + 0 + 14 + 611 + 9 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2080).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2868203191 + ... + 2868203849.

Almost surely, 21890146119680 is an apocalyptic number.

1890146119680 is a gapful number since it is divisible by the number (10) 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 1890146119680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4395775507200).

1890146119680 is an abundant number, since it is smaller than the sum of its proper divisors (6901404894720).

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

1890146119680 is a wasteful number, since it uses less digits than its factorization.

1890146119680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 1890146119680 in words is "one trillion, eight hundred ninety billion, one hundred forty-six million, one hundred nineteen thousand, six hundred eighty".