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143668368722 = 22324322712
BaseRepresentation
bin1000010111001101001…
…1010101010101010010
3111201211111101022121102
42011303103111111102
54323213100244342
6150000023424402
713244143661564
oct2056323252522
9451744338542
10143668368722
1155a2505992a
1223a162b5102
131071788c288
146d4c8d7334
153b0ccda832
hex21734d5552

143668368722 has 54 divisors (see below), whose sum is σ = 231494718231. Its totient is φ = 66865380120.

The previous prime is 143668368677. The next prime is 143668368751. The reversal of 143668368722 is 227863866341.

It can be written as a sum of positive squares in only one way, i.e., 71834184361 + 71834184361 = 268019^2 + 268019^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=268019.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 530141447 + ... + 530141717.

Almost surely, 2143668368722 is an apocalyptic number.

143668368722 is a deficient number, since it is larger than the sum of its proper divisors (87826349509).

143668368722 is an frugal number, since it uses more digits than its factorization.

143668368722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 339 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 56.

The spelling of 143668368722 in words is "one hundred forty-three billion, six hundred sixty-eight million, three hundred sixty-eight thousand, seven hundred twenty-two".

Divisors: 1 2 23 43 46 86 271 529 542 989 1058 1849 1978 3698 6233 11653 12466 22747 23306 42527 45494 73441 85054 143359 146882 268019 286718 501079 536038 978121 1002158 1689143 1956242 3157963 3378286 6164437 6315926 11524817 12328874 23049634 38850289 72633149 77700578 135792409 145266298 265070791 271584818 530141582 1670562427 3123225407 3341124854 6246450814 71834184361 143668368722