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28466719051 = 238091529893
BaseRepresentation
bin11010100000101111…
…111010100101001011
32201110220011011022211
4122200233322211023
5431244440002201
621024420325551
72025301056001
oct324057724513
981426134284
1028466719051
11110887a23a1
1256255438b7
1328b881c674
141540960a71
15b19208651
hex6a0bfa94b

28466719051 has 8 divisors (see below), whose sum is σ = 29741139360. Its totient is φ = 27195360192.

The previous prime is 28466719019. The next prime is 28466719063. The reversal of 28466719051 is 15091766482.

It is a happy number.

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 28466719051 - 25 = 28466719019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28466718986 and 28466719004.

It is not an unprimeable number, because it can be changed into a prime (28466719081) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 746340 + ... + 783553.

It is an arithmetic number, because the mean of its divisors is an integer number (3717642420).

Almost surely, 228466719051 is an apocalyptic number.

28466719051 is a deficient number, since it is larger than the sum of its proper divisors (1274420309).

28466719051 is a wasteful number, since it uses less digits than its factorization.

28466719051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530725.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 28466719051 in words is "twenty-eight billion, four hundred sixty-six million, seven hundred nineteen thousand, fifty-one".

Divisors: 1 23 809 18607 1529893 35187539 1237683437 28466719051