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2855012160 = 2635711132971
BaseRepresentation
bin1010101000101100…
…0000011101000000
321100222012122102010
42222023000131000
521321340342120
61151144452520
7130515126420
oct25213003500
97328178363
102855012160
111235641990
1267817a140
1336664bb10
141d1264480
1511a9a47e0
hexaa2c0740

2855012160 has 448 divisors, whose sum is σ = 12174833664. Its totient is φ = 547430400.

The previous prime is 2855012141. The next prime is 2855012189. The reversal of 2855012160 is 612105582.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 959475 + ... + 962445.

It is an arithmetic number, because the mean of its divisors is an integer number (27175968).

Almost surely, 22855012160 is an apocalyptic number.

2855012160 is a gapful number since it is divisible by the number (20) 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 2855012160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6087416832).

2855012160 is an abundant number, since it is smaller than the sum of its proper divisors (9319821504).

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

2855012160 is a wasteful number, since it uses less digits than its factorization.

2855012160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022 (or 3012 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 2855012160 is about 53432.3138185125. The cubic root of 2855012160 is about 1418.6305914627.

It can be divided in two parts, 285501 and 2160, that added together give a triangular number (287661 = T758).

The spelling of 2855012160 in words is "two billion, eight hundred fifty-five million, twelve thousand, one hundred sixty".