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2894938961 = 13922979067
BaseRepresentation
bin1010110010001101…
…0100001101010001
321110202100010200112
42230203110031101
521412101021321
61155132331105
7131511401165
oct25443241521
97422303615
102894938961
111256132542
12689613a95
133719bb245
141d6698ca5
1511e23ea5b
hexac8d4351

2894938961 has 8 divisors (see below), whose sum is σ = 2917356960. Its totient is φ = 2872543968.

The previous prime is 2894938951. The next prime is 2894938967. The reversal of 2894938961 is 1698394982.

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

It is a cyclic number.

It is not a de Polignac number, because 2894938961 - 222 = 2890744657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2894938961.

It is not an unprimeable number, because it can be changed into a prime (2894938967) 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, 314750 + ... + 323816.

It is an arithmetic number, because the mean of its divisors is an integer number (364669620).

Almost surely, 22894938961 is an apocalyptic number.

It is an amenable number.

2894938961 is a deficient number, since it is larger than the sum of its proper divisors (22417999).

2894938961 is a wasteful number, since it uses less digits than its factorization.

2894938961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11503.

The product of its digits is 6718464, while the sum is 59.

The square root of 2894938961 is about 53804.6369841857. The cubic root of 2894938961 is about 1425.2130939763.

The spelling of 2894938961 in words is "two billion, eight hundred ninety-four million, nine hundred thirty-eight thousand, nine hundred sixty-one".

Divisors: 1 139 2297 9067 319283 1260313 20826899 2894938961