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223948799990 = 2537605267027
BaseRepresentation
bin1101000010010001100…
…0110111111111110110
3210102001101011202222122
43100210120313333312
512132121343044430
6250514115555542
722115442251216
oct3204430677766
9712041152878
10223948799990
1186a81294093
123749bbbbbb2
131816cb2cb46
14aba69d0246
155c5abeeee5
hex3424637ff6

223948799990 has 16 divisors (see below), whose sum is σ = 414002647152. Its totient is φ = 87158451744.

The previous prime is 223948799989. The next prime is 223948800011. The reversal of 223948799990 is 99997849322.

It is a super-2 number, since 2×2239487999902 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302633144 + ... + 302633883.

It is an arithmetic number, because the mean of its divisors is an integer number (25875165447).

Almost surely, 2223948799990 is an apocalyptic number.

223948799990 is a deficient number, since it is larger than the sum of its proper divisors (190053847162).

223948799990 is a wasteful number, since it uses less digits than its factorization.

223948799990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605267071.

The product of its (nonzero) digits is 158723712, while the sum is 71.

The spelling of 223948799990 in words is "two hundred twenty-three billion, nine hundred forty-eight million, seven hundred ninety-nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 605267027 1210534054 3026335135 6052670270 22394879999 44789759998 111974399995 223948799990