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228462880000 = 28541427893
BaseRepresentation
bin1101010011000101110…
…0101110010100000000
3210211200222012210122011
43110301130232110000
512220342444130000
6252542052222304
722335344303305
oct3246134562400
9724628183564
10228462880000
1188988381223
123833b90a994
131870c0c62c4
14b0b43230ac
155e221702ba
hex353172e500

228462880000 has 90 divisors (see below), whose sum is σ = 569859644354. Its totient is φ = 91385088000.

The previous prime is 228462879991. The next prime is 228462880039. The reversal of 228462880000 is 88264822.

It can be written as a sum of positive squares in 5 ways, for example, as 142787248384 + 85675631616 = 377872^2 + 292704^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 553947 + ... + 873946.

Almost surely, 2228462880000 is an apocalyptic number.

228462880000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228462880000 is an abundant number, since it is smaller than the sum of its proper divisors (341396764354).

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

228462880000 is an frugal number, since it uses more digits than its factorization.

228462880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427929 (or 1427900 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 228462880000 in words is "two hundred twenty-eight billion, four hundred sixty-two million, eight hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 800 1000 1250 1280 1600 2000 2500 3200 4000 5000 6400 8000 10000 16000 20000 32000 40000 80000 160000 1427893 2855786 5711572 7139465 11423144 14278930 22846288 28557860 35697325 45692576 57115720 71394650 91385152 114231440 142789300 178486625 182770304 228462880 285578600 356973250 365540608 456925760 571157200 713946500 892433125 913851520 1142314400 1427893000 1784866250 1827703040 2284628800 2855786000 3569732500 4569257600 5711572000 7139465000 9138515200 11423144000 14278930000 22846288000 28557860000 45692576000 57115720000 114231440000 228462880000