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51409118383369 = 17193106071477207
BaseRepresentation
bin10111011000001100111100…
…01111010100110100001001
320202000122220211222221002021
423230012132033110310021
523214241333301231434
6301201004542404441
713554120610151215
oct1354063617246411
9222018824887067
1051409118383369
11154205371047aa
125923521890721
13228bb22489266
14c9a300c43945
155e2408582cb4
hex2ec19e3d4d09

51409118383369 has 16 divisors (see below), whose sum is σ = 54720416844288. Its totient is φ = 48129782280192.

The previous prime is 51409118383313. The next prime is 51409118383379. The reversal of 51409118383369 is 96338381190415.

It is a happy number.

51409118383369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51409118383369 - 221 = 51409116286217 is a prime.

It is a super-2 number, since 2×514091183833692 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51409118383379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34062964 + ... + 35540170.

It is an arithmetic number, because the mean of its divisors is an integer number (3420026052768).

Almost surely, 251409118383369 is an apocalyptic number.

It is an amenable number.

51409118383369 is a deficient number, since it is larger than the sum of its proper divisors (3311298460919).

51409118383369 is a wasteful number, since it uses less digits than its factorization.

51409118383369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488024.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 51409118383369 in words is "fifty-one trillion, four hundred nine billion, one hundred eighteen million, three hundred eighty-three thousand, three hundred sixty-nine".

Divisors: 1 17 193 3281 10607 180319 1477207 2047151 25112519 34801567 285100951 4846716167 15668734649 266368489033 3024065787257 51409118383369