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16355450000385 = 3251919129181287
BaseRepresentation
bin1110111000000000110011…
…0010011001010000000001
32010220120021102122201010200
43232000030302121100001
54120431430200003020
654441331235115413
73305433204121626
oct356001462312001
963816242581120
1016355450000385
115236342159771
121a01967142b69
1391840a212422
1440787251034d
151d5699624590
hexee00cc99401

16355450000385 has 24 divisors (see below), whose sum is σ = 29841522809280. Its totient is φ = 8263806315552.

The previous prime is 16355450000353. The next prime is 16355450000399. The reversal of 16355450000385 is 58300005455361.

16355450000385 is a `hidden beast` number, since 1 + 63 + 5 + 5 + 4 + 500 + 0 + 0 + 3 + 85 = 666.

It is not a de Polignac number, because 16355450000385 - 25 = 16355450000353 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16355450000385.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9564589789 + ... + 9564591498.

It is an arithmetic number, because the mean of its divisors is an integer number (1243396783720).

Almost surely, 216355450000385 is an apocalyptic number.

16355450000385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16355450000385 is a deficient number, since it is larger than the sum of its proper divisors (13486072808895).

16355450000385 is a wasteful number, since it uses less digits than its factorization.

16355450000385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19129181317 (or 19129181314 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 16355450000385 in words is "sixteen trillion, three hundred fifty-five billion, four hundred fifty million, three hundred eighty-five", and thus it is an aban number.

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 19129181287 57387543861 95645906435 172162631583 286937719305 363454444453 860813157915 1090363333359 1817272222265 3271090000077 5451816666795 16355450000385