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28650503146 = 2443151121401
BaseRepresentation
bin11010101011101100…
…111111101111101010
32201221200222100201011
4122223230333233222
5432134012100041
621054543414134
72032662154456
oct325354775752
981850870634
1028650503146
111117250a081
125676bb434a
132917919a55
14155b121666
15b2a40ce81
hex6abb3fbea

28650503146 has 16 divisors (see below), whose sum is σ = 43103285568. Its totient is φ = 14282788000.

The previous prime is 28650503129. The next prime is 28650503207. The reversal of 28650503146 is 64130505682.

It is a junction number, because it is equal to n+sod(n) for n = 28650503099 and 28650503108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328046 + ... + 1349446.

It is an arithmetic number, because the mean of its divisors is an integer number (2693955348).

Almost surely, 228650503146 is an apocalyptic number.

28650503146 is a deficient number, since it is larger than the sum of its proper divisors (14452782422).

28650503146 is a wasteful number, since it uses less digits than its factorization.

28650503146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23357.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 28650503146 in words is "twenty-eight billion, six hundred fifty million, five hundred three thousand, one hundred forty-six".

Divisors: 1 2 443 886 1511 3022 21401 42802 669373 1338746 9480643 18961286 32336911 64673822 14325251573 28650503146