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1081448299008 = 29347112171811
BaseRepresentation
bin11111011110010110101…
…01110111101000000000
310211101101222202201020000
433233023111313220000
5120204301231032013
62144451022120000
7141063203604510
oct17571325675000
93741358681200
101081448299008
1138770440a500
12155712a20000
137ac984901cc
143a4b16a7840
151d1e6e6a973
hexfbcb577a00

1081448299008 has 1200 divisors, whose sum is σ = 4295693932992. Its totient is φ = 264226406400.

The previous prime is 1081448298971. The next prime is 1081448299027. The reversal of 1081448299008 is 8009928441801.

It is a happy number.

1081448299008 is a `hidden beast` number, since 10 + 81 + 448 + 29 + 90 + 0 + 8 = 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 119 ways as a sum of consecutive naturals, for example, 597154423 + ... + 597156233.

Almost surely, 21081448299008 is an apocalyptic number.

1081448299008 is a gapful number since it is divisible by the number (18) 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 1081448299008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147846966496).

1081448299008 is an abundant number, since it is smaller than the sum of its proper divisors (3214245633984).

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

1081448299008 is a wasteful number, since it uses less digits than its factorization.

1081448299008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 1081448299008 in words is "one trillion, eighty-one billion, four hundred forty-eight million, two hundred ninety-nine thousand, eight".