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2894985071 = 11263180461
BaseRepresentation
bin1010110010001101…
…1111011101101111
321110202102110221022
42230203133131233
521412104010241
61155133324355
7131511652466
oct25443373557
97422373838
102894985071
111256164150
126896366bb
13371a06224
141d66ab9dd
1511e24d54b
hexac8df76f

2894985071 has 4 divisors (see below), whose sum is σ = 3158165544. Its totient is φ = 2631804600.

The previous prime is 2894985047. The next prime is 2894985073. The reversal of 2894985071 is 1705894982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2894985071 is a prime.

It is a super-2 number, since 2×28949850712 = 16761877122625750082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2894985073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131590220 + ... + 131590241.

It is an arithmetic number, because the mean of its divisors is an integer number (789541386).

Almost surely, 22894985071 is an apocalyptic number.

2894985071 is a deficient number, since it is larger than the sum of its proper divisors (263180473).

2894985071 is a wasteful number, since it uses less digits than its factorization.

2894985071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263180472.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The square root of 2894985071 is about 53805.0654771463. The cubic root of 2894985071 is about 1425.2206607710.

The spelling of 2894985071 in words is "two billion, eight hundred ninety-four million, nine hundred eighty-five thousand, seventy-one".

Divisors: 1 11 263180461 2894985071