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2079705400381 = 7769386346907
BaseRepresentation
bin11110010000111000000…
…110100000010000111101
321100211002020121201021001
4132100320012200100331
5233033214040303011
64231223052210301
7303153016141450
oct36207006402075
97324066551231
102079705400381
11731aa8531904
12297089169991
1312116663c48b
147293045d497
15391706a77c1
hex1e4381a043d

2079705400381 has 8 divisors (see below), whose sum is σ = 2379896953280. Its totient is φ = 1780286542848.

The previous prime is 2079705400301. The next prime is 2079705400397. The reversal of 2079705400381 is 1830045079702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2079705400381 is a prime.

It is a super-2 number, since 2×20797054003812 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2079705400301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193168071 + ... + 193178836.

It is an arithmetic number, because the mean of its divisors is an integer number (297487119160).

Almost surely, 22079705400381 is an apocalyptic number.

It is an amenable number.

2079705400381 is a deficient number, since it is larger than the sum of its proper divisors (300191552899).

2079705400381 is an equidigital number, since it uses as much as digits as its factorization.

2079705400381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386347683.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 2079705400381 in words is "two trillion, seventy-nine billion, seven hundred five million, four hundred thousand, three hundred eighty-one".

Divisors: 1 7 769 5383 386346907 2704428349 297100771483 2079705400381