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801057074839 = 7720771587701
BaseRepresentation
bin10111010100000101011…
…10001110111010010111
32211120200001012201001121
423222002232032322113
5101111031102343324
61412000041104411
7111605640534610
oct13520256167227
92746601181047
10801057074839
112897a992076a
1210b300488107
135a701c7b248
142aab28ccc07
1515c85ee95e4
hexba82b8ee97

801057074839 has 8 divisors (see below), whose sum is σ = 915507078048. Its totient is φ = 686610391200.

The previous prime is 801057074819. The next prime is 801057074861. The reversal of 801057074839 is 938470750108.

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 801057074839 - 211 = 801057072791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801057074819) 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, 289312 + ... + 1298389.

It is an arithmetic number, because the mean of its divisors is an integer number (114438384756).

Almost surely, 2801057074839 is an apocalyptic number.

801057074839 is a deficient number, since it is larger than the sum of its proper divisors (114450003209).

801057074839 is a wasteful number, since it uses less digits than its factorization.

801057074839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659785.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 801057074839 in words is "eight hundred one billion, fifty-seven million, seventy-four thousand, eight hundred thirty-nine".

Divisors: 1 7 72077 504539 1587701 11113907 114436724977 801057074839