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223368810912 = 25321359660473
BaseRepresentation
bin1101000000000111010…
…0011001000110100000
3210100112221211021112200
43100001310121012200
512124424403422122
6250340400453200
722065200365032
oct3200164310640
9710487737480
10223368810912
1186803963775
123735991a200
13180a991c640
14ab4d975c52
155c24d365ac
hex3401d191a0

223368810912 has 72 divisors (see below), whose sum is σ = 684066994884. Its totient is φ = 68728863744.

The previous prime is 223368810911. The next prime is 223368810943. The reversal of 223368810912 is 219018863322.

It can be written as a sum of positive squares in 2 ways, for example, as 219102631056 + 4266179856 = 468084^2 + 65316^2 .

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

It is not an unprimeable number, because it can be changed into a prime (223368810911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29826493 + ... + 29833980.

Almost surely, 2223368810912 is an apocalyptic number.

It is an amenable number.

223368810912 is an abundant number, since it is smaller than the sum of its proper divisors (460698183972).

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

223368810912 is a wasteful number, since it uses less digits than its factorization.

223368810912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59660502 (or 59660491 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 223368810912 in words is "two hundred twenty-three billion, three hundred sixty-eight million, eight hundred ten thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 59660473 119320946 178981419 238641892 357962838 477283784 536944257 715925676 775586149 954567568 1073888514 1431851352 1551172298 1909135136 2147777028 2326758447 2863702704 3102344596 4295554056 4653516894 5727405408 6204689192 6980275341 8591108112 9307033788 12409378384 13960550682 17182216224 18614067576 24818756768 27921101364 37228135152 55842202728 74456270304 111684405456 223368810912