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1983074970240 = 27345731323373
BaseRepresentation
bin11100110110111000011…
…110101010101010000000
321000120122220102020220000
4130312320132222222000
5224442314143021430
64115002334520000
7263162306061000
oct34667036525200
97016586366800
101983074970240
116a5021138491
122803bb966000
13115006c5cb70
146bda4b28000
15368b71b3e60
hex1cdb87aaa80

1983074970240 has 2560 divisors, whose sum is σ = 9305670528000. Its totient is φ = 399142453248.

The previous prime is 1983074970157. The next prime is 1983074970251. The reversal of 1983074970240 is 420794703891.

1983074970240 is a `hidden beast` number, since 1 + 9 + 8 + 307 + 4 + 97 + 0 + 240 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 5316554694 + ... + 5316555066.

It is an arithmetic number, because the mean of its divisors is an integer number (3635027550).

Almost surely, 21983074970240 is an apocalyptic number.

1983074970240 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 1983074970240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4652835264000).

1983074970240 is an abundant number, since it is smaller than the sum of its proper divisors (7322595557760).

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

1983074970240 is a wasteful number, since it uses less digits than its factorization.

1983074970240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 1983074970240 in words is "one trillion, nine hundred eighty-three billion, seventy-four million, nine hundred seventy thousand, two hundred forty".