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28590472016 = 243834665547
BaseRepresentation
bin11010101000000111…
…111111101101010000
32201210112000110110222
4122220013333231100
5432023130101031
621045001012212
72031333000551
oct325007775520
981715013428
1028590472016
1111141637877
12565aa84068
13290835b882
141553176328
15b25000e7b
hex6a81ffb50

28590472016 has 20 divisors (see below), whose sum is σ = 55538683392. Its totient is φ = 14257908576.

The previous prime is 28590472003. The next prime is 28590472019. The reversal of 28590472016 is 61027409582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28590472019) 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 3 ways as a sum of consecutive naturals, for example, 2326646 + ... + 2338901.

Almost surely, 228590472016 is an apocalyptic number.

It is an amenable number.

28590472016 is a deficient number, since it is larger than the sum of its proper divisors (26948211376).

28590472016 is a wasteful number, since it uses less digits than its factorization.

28590472016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665938 (or 4665932 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 28590472016 in words is "twenty-eight billion, five hundred ninety million, four hundred seventy-two thousand, sixteen".

Divisors: 1 2 4 8 16 383 766 1532 3064 6128 4665547 9331094 18662188 37324376 74648752 1786904501 3573809002 7147618004 14295236008 28590472016