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28935703550 = 2521390749081
BaseRepresentation
bin11010111100101100…
…111100101111111110
32202200120122001010002
4122330230330233332
5433230020003200
621143132314302
72043024264515
oct327454745776
982616561102
1028935703550
11112a94a5396
125736612992
132961a354a0
141586d6167c
15b45496bd5
hex6bcb3cbfe

28935703550 has 48 divisors (see below), whose sum is σ = 58025525712. Its totient is φ = 10671955200.

The previous prime is 28935703543. The next prime is 28935703567. The reversal of 28935703550 is 5530753982.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28935703495 and 28935703504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565010 + ... + 614090.

It is an arithmetic number, because the mean of its divisors is an integer number (1208865119).

Almost surely, 228935703550 is an apocalyptic number.

28935703550 is an abundant number, since it is smaller than the sum of its proper divisors (29089822162).

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

28935703550 is a wasteful number, since it uses less digits than its factorization.

28935703550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50013 (or 50008 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 28935703550 in words is "twenty-eight billion, nine hundred thirty-five million, seven hundred three thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 907 1814 4535 9070 11791 22675 23582 45350 49081 58955 98162 117910 245405 294775 490810 589550 638053 1227025 1276106 2454050 3190265 6380530 15951325 31902650 44516467 89032934 222582335 445164670 578714071 1112911675 1157428142 2225823350 2893570355 5787140710 14467851775 28935703550