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28631041534 = 259923899033
BaseRepresentation
bin11010101010100010…
…110000010111111110
32201220100100121101201
4122222202300113332
5432114021312114
621053010330114
72032334560204
oct325242602776
981810317351
1028631041534
11111625272a7
12567058993a
1329138946c4
1415586d7074
15b28866874
hex6aa8b05fe

28631041534 has 8 divisors (see below), whose sum is σ = 43018261200. Its totient is φ = 14291621136.

The previous prime is 28631041519. The next prime is 28631041547. The reversal of 28631041534 is 43514013682.

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

It is a junction number, because it is equal to n+sod(n) for n = 28631041493 and 28631041502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11948319 + ... + 11950714.

It is an arithmetic number, because the mean of its divisors is an integer number (5377282650).

Almost surely, 228631041534 is an apocalyptic number.

28631041534 is a deficient number, since it is larger than the sum of its proper divisors (14387219666).

28631041534 is a wasteful number, since it uses less digits than its factorization.

28631041534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23899634.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 28631041534 in words is "twenty-eight billion, six hundred thirty-one million, forty-one thousand, five hundred thirty-four".

Divisors: 1 2 599 1198 23899033 47798066 14315520767 28631041534