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223868816712 = 2334185872
BaseRepresentation
bin1101000001111110011…
…1110000110101001000
3210101211210200012120000
43100133213300311020
512131440404113322
6250502141403000
722113451354632
oct3203747606510
9711753605500
10223868816712
1186a40124502
1237479269460
13181593a7268
14ab9a12da52
155c53ba13ac
hex341f9f0d48

223868816712 has 60 divisors (see below), whose sum is σ = 627073709955. Its totient is φ = 74618924112.

The previous prime is 223868816663. The next prime is 223868816747. The reversal of 223868816712 is 217618868322.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

223868816712 is a `hidden beast` number, since 22 + 386 + 88 + 167 + 1 + 2 = 666.

223868816712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 111934408356 + 111934408356 = 334566^2 + 334566^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=334566.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 12035083 + ... + 12053669.

Almost surely, 2223868816712 is an apocalyptic number.

It is an amenable number.

223868816712 is an abundant number, since it is smaller than the sum of its proper divisors (403204893243).

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

223868816712 is an frugal number, since it uses more digits than its factorization.

223868816712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37192 (or 18592 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 223868816712 in words is "two hundred twenty-three billion, eight hundred sixty-eight million, eight hundred sixteen thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 18587 37174 55761 74348 111522 148696 167283 223044 334566 446088 501849 669132 1003698 1338264 1505547 2007396 3011094 4014792 6022188 12044376 345476569 690953138 1036429707 1381906276 2072859414 2763812552 3109289121 4145718828 6218578242 8291437656 9327867363 12437156484 18655734726 24874312968 27983602089 37311469452 55967204178 74622938904 111934408356 223868816712