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1069091311680 = 263257217924337
BaseRepresentation
bin11111000111010101100…
…11101101000001000000
310210012111210220201022200
433203222303231001000
5120003444333433210
62135044521033200
7140145036132420
oct17435263550100
93705453821280
101069091311680
113824431a0a87
12153244625800
1379a79396ca2
1439a5c4c0480
151cc221d10c0
hexf8eaced040

1069091311680 has 336 divisors, whose sum is σ = 4204648456320. Its totient is φ = 244241547264.

The previous prime is 1069091311669. The next prime is 1069091311703. The reversal of 1069091311680 is 861131909601.

1069091311680 is a `hidden beast` number, since 106 + 90 + 91 + 311 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×10690913116802 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43916472 + ... + 43940808.

Almost surely, 21069091311680 is an apocalyptic number.

1069091311680 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 1069091311680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2102324228160).

1069091311680 is an abundant number, since it is smaller than the sum of its proper divisors (3135557144640).

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

1069091311680 is a wasteful number, since it uses less digits than its factorization.

1069091311680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26546 (or 26533 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 1069091311680 in words is "one trillion, sixty-nine billion, ninety-one million, three hundred eleven thousand, six hundred eighty".