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1996810802712 = 2333112887291101
BaseRepresentation
bin11101000011101011001…
…100101101011000011000
321001220010011210211202000
4131003223030231120120
5230203432031141322
64125153333241000
7264156555526545
oct35035314553030
97056104724660
101996810802712
116aa92a706750
12282bb3a93160
131163b590889b
146c9090b7bcc
1536e1d0153ac
hex1d0eb32d618

1996810802712 has 128 divisors (see below), whose sum is σ = 6053058547200. Its totient is φ = 604882512000.

The previous prime is 1996810802699. The next prime is 1996810802717. The reversal of 1996810802712 is 2172080186991.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996810802717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6713962 + ... + 7005062.

It is an arithmetic number, because the mean of its divisors is an integer number (47289519900).

Almost surely, 21996810802712 is an apocalyptic number.

1996810802712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996810802712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3026529273600).

1996810802712 is an abundant number, since it is smaller than the sum of its proper divisors (4056247744488).

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

1996810802712 is a wasteful number, since it uses less digits than its factorization.

1996810802712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294014 (or 294004 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 1996810802712 in words is "one trillion, nine hundred ninety-six billion, eight hundred ten million, eight hundred two thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 88 99 108 132 198 216 264 297 396 594 792 1188 2376 2887 5774 8661 11548 17322 23096 25983 31757 34644 51966 63514 69288 77949 95271 103932 127028 155898 190542 207864 254056 285813 291101 311796 381084 571626 582202 623592 762168 857439 873303 1143252 1164404 1714878 1746606 2286504 2328808 2619909 3202111 3429756 3493212 5239818 6404222 6859512 6986424 7859727 9606333 10479636 12808444 15719454 19212666 20959272 25616888 28818999 31438908 38425332 57637998 62877816 76850664 86456997 115275996 172913994 230551992 345827988 691655976 840408587 1680817174 2521225761 3361634348 5042451522 6723268696 7563677283 9244494457 10084903044 15127354566 18488988914 20169806088 22691031849 27733483371 30254709132 36977977828 45382063698 55466966742 60509418264 73955955656 83200450113 90764127396 110933933484 166400900226 181528254792 221867866968 249601350339 332801800452 499202700678 665603600904 998405401356 1996810802712