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28363842530 = 2526343324907
BaseRepresentation
bin11010011010100111…
…011110001111100010
32201012201120111021022
4122122213132033202
5431042120430110
621010303325442
72022611453312
oct323247361742
981181514238
1028363842530
1111035716781
1255b6bb0882
1328a040c79a
141531021442
15b10186755
hex69a9de3e2

28363842530 has 32 divisors (see below), whose sum is σ = 51369462144. Its totient is φ = 11275842816.

The previous prime is 28363842527. The next prime is 28363842541. The reversal of 28363842530 is 3524836382.

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, 1126337 + ... + 1151243.

It is an arithmetic number, because the mean of its divisors is an integer number (1605295692).

Almost surely, 228363842530 is an apocalyptic number.

28363842530 is a deficient number, since it is larger than the sum of its proper divisors (23005619614).

28363842530 is a wasteful number, since it uses less digits than its factorization.

28363842530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25610.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 28363842530 in words is "twenty-eight billion, three hundred sixty-three million, eight hundred forty-two thousand, five hundred thirty".

Divisors: 1 2 5 10 263 433 526 866 1315 2165 2630 4330 24907 49814 113879 124535 227758 249070 569395 1138790 6550541 10784731 13101082 21569462 32752705 53923655 65505410 107847310 2836384253 5672768506 14181921265 28363842530