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3817888105663 = 85371573128429
BaseRepresentation
bin110111100011101011110…
…111010100010010111111
3111111222122012000221021201
4313203223313110102333
51000023013323340123
612041525200040331
7542555553306502
oct67435367242277
914458565027251
103817888105663
111242180337a75
12517b230030a7
13219043790488
14d2b02c7d139
15694a318a5ad
hex378ebdd44bf

3817888105663 has 8 divisors (see below), whose sum is σ = 3818712368880. Its totient is φ = 3817063947840.

The previous prime is 3817888105583. The next prime is 3817888105711. The reversal of 3817888105663 is 3665018887183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3817888105663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3817888105595 and 3817888105604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3817888105363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134281333 + ... + 134309761.

It is an arithmetic number, because the mean of its divisors is an integer number (477339046110).

Almost surely, 23817888105663 is an apocalyptic number.

3817888105663 is a deficient number, since it is larger than the sum of its proper divisors (824263217).

3817888105663 is a wasteful number, since it uses less digits than its factorization.

3817888105663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52697.

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 3817888105663 in words is "three trillion, eight hundred seventeen billion, eight hundred eighty-eight million, one hundred five thousand, six hundred sixty-three".

Divisors: 1 8537 15731 28429 134295547 242698373 447216599 3817888105663