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28492850469 = 360185918397
BaseRepresentation
bin11010100010010011…
…100110010100100101
32201112201022202220010
4122202103212110211
5431323132203334
621031152400433
72026036142616
oct324223462445
981481282803
1028492850469
11110a1520306
125632246119
1328c106b845
141544203c0d
15b1b66b0e9
hex6a24e6525

28492850469 has 16 divisors (see below), whose sum is σ = 38100050240. Its totient is φ = 18940521600.

The previous prime is 28492850429. The next prime is 28492850473. The reversal of 28492850469 is 96405829482.

It is a happy number.

It is not a de Polignac number, because 28492850469 - 28 = 28492850213 is a prime.

It is a super-2 number, since 2×284928504692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28492850429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539579 + ... + 1557975.

It is an arithmetic number, because the mean of its divisors is an integer number (2381253140).

Almost surely, 228492850469 is an apocalyptic number.

It is an amenable number.

28492850469 is a deficient number, since it is larger than the sum of its proper divisors (9607199771).

28492850469 is a wasteful number, since it uses less digits than its factorization.

28492850469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19860.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 28492850469 in words is "twenty-eight billion, four hundred ninety-two million, eight hundred fifty thousand, four hundred sixty-nine".

Divisors: 1 3 601 859 1803 2577 18397 55191 516259 1548777 11056597 15803023 33169791 47409069 9497616823 28492850469