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552152221720 = 235111996305987
BaseRepresentation
bin10000000100011101101…
…01100100100000011000
31221210012102211002000221
420002032311210200120
533021301432043340
61101353310205424
754614563306111
oct10021665444030
91853172732027
10552152221720
111a3191597590
128b0167b3874
13400b5a61078
141ca1d715208
15e56940844a
hex808ed64818

552152221720 has 64 divisors (see below), whose sum is σ = 1362093408000. Its totient is φ = 199773636480.

The previous prime is 552152221681. The next prime is 552152221793. The reversal of 552152221720 is 27122251255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3065434 + ... + 3240553.

It is an arithmetic number, because the mean of its divisors is an integer number (21282709500).

Almost surely, 2552152221720 is an apocalyptic number.

It is an amenable number.

552152221720 is an abundant number, since it is smaller than the sum of its proper divisors (809941186280).

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

552152221720 is a wasteful number, since it uses less digits than its factorization.

552152221720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306208 (or 6306204 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

Adding to 552152221720 its reverse (27122251255), we get a palindrome (579274472975).

The spelling of 552152221720 in words is "five hundred fifty-two billion, one hundred fifty-two million, two hundred twenty-one thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 199 220 398 440 796 995 1592 1990 2189 3980 4378 7960 8756 10945 17512 21890 43780 87560 6305987 12611974 25223948 31529935 50447896 63059870 69365857 126119740 138731714 252239480 277463428 346829285 554926856 693658570 1254891413 1387317140 2509782826 2774634280 5019565652 6274457065 10039131304 12548914130 13803805543 25097828260 27607611086 50195656520 55215222172 69019027715 110430444344 138038055430 276076110860 552152221720