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12705104732044 = 224373866887977
BaseRepresentation
bin1011100011100010001101…
…0000010001111110001100
31122222121002121000202110011
42320320203100101332030
53131130023302411134
643004351115323004
72450625224234524
oct270704320217614
948877077022404
1012705104732044
11405922844420a
121512401a50464
137121175c7a1a
1431cd04c48684
1517075021b264
hexb8e23411f8c

12705104732044 has 12 divisors (see below), whose sum is σ = 22751001497224. Its totient is φ = 6204818589984.

The previous prime is 12705104731993. The next prime is 12705104732051. The reversal of 12705104732044 is 44023740150721.

It is a happy number.

It is a super-2 number, since 2×127051047320442 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12705104731988 and 12705104732006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36933443817 + ... + 36933444160.

Almost surely, 212705104732044 is an apocalyptic number.

It is an amenable number.

12705104732044 is a deficient number, since it is larger than the sum of its proper divisors (10045896765180).

12705104732044 is a wasteful number, since it uses less digits than its factorization.

12705104732044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73866888024 (or 73866888022 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

Adding to 12705104732044 its reverse (44023740150721), we get a palindrome (56728844882765).

The spelling of 12705104732044 in words is "twelve trillion, seven hundred five billion, one hundred four million, seven hundred thirty-two thousand, forty-four".

Divisors: 1 2 4 43 86 172 73866887977 147733775954 295467551908 3176276183011 6352552366022 12705104732044