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20940712059772 = 22198921114672543
BaseRepresentation
bin1001100001011101000111…
…01101000010001101111100
32202010220122020011111202201
410300232203231002031330
510221043034241403042
6112312010314201244
74260626236423141
oct460564355021574
982126566144681
1020940712059772
1167439a7041a1a
12242254a123224
13b8b9154c4a2b
145257706083c8
15264ab16501b7
hex130ba3b4237c

20940712059772 has 48 divisors (see below), whose sum is σ = 39193299532800. Its totient is φ = 9761348741760.

The previous prime is 20940712059739. The next prime is 20940712059853. The reversal of 20940712059772 is 27795021704902.

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, 5909068 + ... + 8763475.

It is an arithmetic number, because the mean of its divisors is an integer number (816527073600).

Almost surely, 220940712059772 is an apocalyptic number.

It is an amenable number.

20940712059772 is a deficient number, since it is larger than the sum of its proper divisors (18252587473028).

20940712059772 is a wasteful number, since it uses less digits than its factorization.

20940712059772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14672866 (or 14672864 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 20940712059772 in words is "twenty trillion, nine hundred forty billion, seven hundred twelve million, fifty-nine thousand, seven hundred seventy-two".

Divisors: 1 2 4 19 38 76 89 178 211 356 422 844 1691 3382 4009 6764 8018 16036 18779 37558 75116 356801 713602 1427204 14672543 29345086 58690172 278778317 557556634 1115113268 1305856327 2611712654 3095906573 5223425308 6191813146 12383626292 24811270213 49622540426 58822224887 99245080852 117644449774 235288899548 275535684997 551071369994 1102142739988 5235178014943 10470356029886 20940712059772