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1083281678220 = 2235717877172999
BaseRepresentation
bin11111100001110001001…
…11101001111110001100
310211120010202121000200210
433300320213221332030
5120222030102200340
62145352553522420
7141156505223430
oct17607047517614
93746122530623
101083281678220
113884652a2435
12155b44a13410
137b1cb269391
143a606d8c9c0
151d2a2db9180
hexfc389e9f8c

1083281678220 has 192 divisors, whose sum is σ = 3674619648000. Its totient is φ = 232775036928.

The previous prime is 1083281678207. The next prime is 1083281678239. The reversal of 1083281678220 is 228761823801.

It is a self number, because there is not a number n which added to its sum of digits gives 1083281678220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6175281 + ... + 6348279.

It is an arithmetic number, because the mean of its divisors is an integer number (19138644000).

Almost surely, 21083281678220 is an apocalyptic number.

1083281678220 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 1083281678220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837309824000).

1083281678220 is an abundant number, since it is smaller than the sum of its proper divisors (2591337969780).

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

1083281678220 is a wasteful number, since it uses less digits than its factorization.

1083281678220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173912 (or 173910 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 1083281678220 in words is "one trillion, eighty-three billion, two hundred eighty-one million, six hundred seventy-eight thousand, two hundred twenty".