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223943765768 = 231673112
BaseRepresentation
bin1101000010010000010…
…1101010111100001000
3210102001000201000022222
43100210011222330020
512132114101001033
6250513420033212
722115351413202
oct3204405527410
9712030630288
10223943765768
1186a79465878
123749a392808
131816ba89608
14aba607d772
155c5a558598
hex342416af08

223943765768 has 12 divisors (see below), whose sum is σ = 419897070495. Its totient is φ = 111971213640.

The previous prime is 223943765737. The next prime is 223943765777. The reversal of 223943765768 is 867567349322.

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.

It can be written as a sum of positive squares in only one way, i.e., 111971882884 + 111971882884 = 334622^2 + 334622^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=334622.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223943765768.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1254833 + ... + 1422143.

Almost surely, 2223943765768 is an apocalyptic number.

It is an amenable number.

223943765768 is a deficient number, since it is larger than the sum of its proper divisors (195953304727).

223943765768 is an frugal number, since it uses more digits than its factorization.

223943765768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334628 (or 167313 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 62.

The spelling of 223943765768 in words is "two hundred twenty-three billion, nine hundred forty-three million, seven hundred sixty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 167311 334622 669244 1338488 27992970721 55985941442 111971882884 223943765768