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2103783368688 = 2433175973227293
BaseRepresentation
bin11110100111010011010…
…000101010011111110000
321110010020021120020101000
4132213103100222133300
5233432022020244223
64250244214442000
7304664466404001
oct36472320523760
97403207506330
102103783368688
11741233958871
1229b888963300
13123502b371c1
1473b761931a8
1539ace44a543
hex1e9d342a7f0

2103783368688 has 640 divisors, whose sum is σ = 6642924825600. Its totient is φ = 634942291968.

The previous prime is 2103783368593. The next prime is 2103783368707. The reversal of 2103783368688 is 8868633873012.

It is a happy number.

2103783368688 is a `hidden beast` number, since 210 + 3 + 7 + 8 + 336 + 8 + 6 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7180147870 + ... + 7180148162.

It is an arithmetic number, because the mean of its divisors is an integer number (10379570040).

Almost surely, 22103783368688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103783368688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3321462412800).

2103783368688 is an abundant number, since it is smaller than the sum of its proper divisors (4539141456912).

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

2103783368688 is a wasteful number, since it uses less digits than its factorization.

2103783368688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 2103783368688 in words is "two trillion, one hundred three billion, seven hundred eighty-three million, three hundred sixty-eight thousand, six hundred eighty-eight".