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228324775385088 = 2113212387411859
BaseRepresentation
bin110011111010100100000001…
…001000010101100000000000
31002221102122011011122221220200
4303322210001020111200000
5214411333114444310323
62125334542003205200
766043630532515614
oct6372440110254000
91087378134587820
10228324775385088
1166829aa2321388
1221736a55376800
139a52c1ab06a35
144054d99c5b344
151b5e3b864e443
hexcfa901215800

228324775385088 has 72 divisors (see below), whose sum is σ = 659443870367100. Its totient is φ = 76108258455552.

The previous prime is 228324775385087. The next prime is 228324775385107. The reversal of 228324775385088 is 880583577423822.

228324775385088 is a `hidden beast` number, since 2 + 2 + 8 + 3 + 2 + 4 + 7 + 7 + 538 + 5 + 0 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228324775385087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6193687498 + ... + 6193724361.

Almost surely, 2228324775385088 is an apocalyptic number.

It is an amenable number.

228324775385088 is an abundant number, since it is smaller than the sum of its proper divisors (431119094982012).

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

228324775385088 is a wasteful number, since it uses less digits than its factorization.

228324775385088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12387411887 (or 12387411864 counting only the distinct ones).

The product of its (nonzero) digits is 1445068800, while the sum is 72.

The spelling of 228324775385088 in words is "two hundred twenty-eight trillion, three hundred twenty-four billion, seven hundred seventy-five million, three hundred eighty-five thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 4608 6144 9216 18432 12387411859 24774823718 37162235577 49549647436 74324471154 99099294872 111486706731 148648942308 198198589744 222973413462 297297884616 396397179488 445946826924 594595769232 792794358976 891893653848 1189191538464 1585588717952 1783787307696 2378383076928 3171177435904 3567574615392 4756766153856 6342354871808 7135149230784 9513532307712 12684709743616 14270298461568 19027064615424 25369419487232 28540596923136 38054129230848 57081193846272 76108258461696 114162387692544 228324775385088