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28550382060 = 2235822157881
BaseRepresentation
bin11010100101101111…
…000100000111101100
32201200201120200101210
4122211233010013230
5431432344211220
621041005434420
72030335146324
oct324557040754
981621520353
1028550382060
1111120a45682
12564956ba10
1328ccc630c5
14154badc284
15b217326e0
hex6a5bc41ec

28550382060 has 48 divisors (see below), whose sum is σ = 79952175072. Its totient is φ = 7612377600.

The previous prime is 28550381987. The next prime is 28550382071. The reversal of 28550382060 is 6028305582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464320 + ... + 522200.

It is an arithmetic number, because the mean of its divisors is an integer number (1665670314).

Almost surely, 228550382060 is an apocalyptic number.

28550382060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28550382060 is an abundant number, since it is smaller than the sum of its proper divisors (51401793012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28550382060 is a wasteful number, since it uses less digits than its factorization.

28550382060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66114 (or 66112 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 28550382060 in words is "twenty-eight billion, five hundred fifty million, three hundred eighty-two thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 8221 16442 24663 32884 41105 49326 57881 82210 98652 115762 123315 164420 173643 231524 246630 289405 347286 493260 578810 694572 868215 1157620 1736430 3472860 475839701 951679402 1427519103 1903358804 2379198505 2855038206 4758397010 5710076412 7137595515 9516794020 14275191030 28550382060