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1081842732880 = 2457213237391249
BaseRepresentation
bin11111011111000101101…
…10100000111101010000
310211102102110222000202221
433233202312200331100
5120211103214423010
62144554112150424
7141106033334500
oct17574266407520
93742373860687
101081842732880
11387897023508
12155802b38414
137b02c103130
143a50bc1da00
151d21b8cedda
hexfbe2da0f50

1081842732880 has 480 divisors, whose sum is σ = 3295101600000. Its totient is φ = 326794051584.

The previous prime is 1081842732871. The next prime is 1081842732917. The reversal of 1081842732880 is 882372481801.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 866166496 + ... + 866167744.

It is an arithmetic number, because the mean of its divisors is an integer number (6864795000).

Almost surely, 21081842732880 is an apocalyptic number.

1081842732880 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 1081842732880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647550800000).

1081842732880 is an abundant number, since it is smaller than the sum of its proper divisors (2213258867120).

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

1081842732880 is a wasteful number, since it uses less digits than its factorization.

1081842732880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 52.

The spelling of 1081842732880 in words is "one trillion, eighty-one billion, eight hundred forty-two million, seven hundred thirty-two thousand, eight hundred eighty".