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228765244050 = 232527232212
BaseRepresentation
bin1101010100001101111…
…0001001101010010010
3210212111001011111010200
43111003132021222102
512222002400302200
6253032053040030
722346005330200
oct3250336115222
9725431144120
10228765244050
118902301a872
1238405026016
1318759941145
14b102550070
155e3d999800
hex3543789a92

228765244050 has 162 divisors, whose sum is σ = 715183455519. Its totient is φ = 52272964800.

The previous prime is 228765244013. The next prime is 228765244153. The reversal of 228765244050 is 50442567822.

228765244050 is a `hidden beast` number, since 2 + 2 + 8 + 76 + 524 + 4 + 0 + 50 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 147089891529 + 81675352521 = 383523^2 + 285789^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=338205.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 228765243987 and 228765244005.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 71021440 + ... + 71024660.

Almost surely, 2228765244050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228765244050

228765244050 is an abundant number, since it is smaller than the sum of its proper divisors (486418211469).

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

228765244050 is an equidigital number, since it uses as much as digits as its factorization.

228765244050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 228765244050 in words is "two hundred twenty-eight billion, seven hundred sixty-five million, two hundred forty-four thousand, fifty".