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28590456053 = 79361904507
BaseRepresentation
bin11010101000000111…
…111011110011110101
32201210111222122120202
4122220013323303311
5432023124043203
621045000410245
72031332603165
oct325007736365
981714878522
1028590456053
1111141626885
12565aa76985
132908354523
1415531705a5
15b24eeb388
hex6a81fbcf5

28590456053 has 4 divisors (see below), whose sum is σ = 28952360640. Its totient is φ = 28228551468.

The previous prime is 28590456023. The next prime is 28590456071. The reversal of 28590456053 is 35065409582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28590456053 - 212 = 28590451957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28590455989 and 28590456007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28590456023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180952175 + ... + 180952332.

It is an arithmetic number, because the mean of its divisors is an integer number (7238090160).

Almost surely, 228590456053 is an apocalyptic number.

It is an amenable number.

28590456053 is a deficient number, since it is larger than the sum of its proper divisors (361904587).

28590456053 is an equidigital number, since it uses as much as digits as its factorization.

28590456053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361904586.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 28590456053 in words is "twenty-eight billion, five hundred ninety million, four hundred fifty-six thousand, fifty-three".

Divisors: 1 79 361904507 28590456053