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745268555770 = 251721913572547
BaseRepresentation
bin10101101100001010111…
…01111010111111111010
32122020200001021022001121
422312011131322333322
544202302222241040
61330212135335454
7104562310126144
oct12660535727772
92566601238047
10745268555770
11268080741662
12100530b2158a
1355380bb970b
14280dd4bdc94
15145bd392c4a
hexad8577affa

745268555770 has 48 divisors (see below), whose sum is σ = 1500038004960. Its totient is φ = 265804740864.

The previous prime is 745268555767. The next prime is 745268555807. The reversal of 745268555770 is 77555862547.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 745268555699 and 745268555708.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6731364 + ... + 6841183.

It is an arithmetic number, because the mean of its divisors is an integer number (31250791770).

Almost surely, 2745268555770 is an apocalyptic number.

745268555770 is an abundant number, since it is smaller than the sum of its proper divisors (754769449190).

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

745268555770 is a wasteful number, since it uses less digits than its factorization.

745268555770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13572607 (or 13572590 counting only the distinct ones).

The product of its (nonzero) digits is 82320000, while the sum is 61.

The spelling of 745268555770 in words is "seven hundred forty-five billion, two hundred sixty-eight million, five hundred fifty-five thousand, seven hundred seventy".

Divisors: 1 2 5 10 17 19 34 38 85 95 170 190 289 323 578 646 1445 1615 2890 3230 5491 10982 27455 54910 13572547 27145094 67862735 135725470 230733299 257878393 461466598 515756786 1153666495 1289391965 2307332990 2578783930 3922466083 4383932681 7844932166 8767865362 19612330415 21919663405 39224660830 43839326810 74526855577 149053711154 372634277885 745268555770