Search a number
-
+
12703550255078 = 2191783579132377
BaseRepresentation
bin1011100011011100011010…
…0110011010111111100110
31122222110002021000010221012
42320313012212122333212
53131113332331130303
643003532545422222
72450541550344644
oct270670646327746
948873067003835
1012703550255078
1140585aaa35701
12151204933a972
13711c2a540677
1431cbd8604194
151706ada105d8
hexb8dc699afe6

12703550255078 has 32 divisors (see below), whose sum is σ = 20073572567040. Its totient is φ = 6012872015040.

The previous prime is 12703550255069. The next prime is 12703550255087. The reversal of 12703550255078 is 87055205530721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12703550255069) and next prime (12703550255087).

It is a super-2 number, since 2×127035502550782 (a number of 27 digits) contains 22 as substring.

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, 392347226 + ... + 392379602.

It is an arithmetic number, because the mean of its divisors is an integer number (627299142720).

Almost surely, 212703550255078 is an apocalyptic number.

12703550255078 is a deficient number, since it is larger than the sum of its proper divisors (7370022311962).

12703550255078 is a wasteful number, since it uses less digits than its factorization.

12703550255078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39972.

The product of its (nonzero) digits is 2940000, while the sum is 50.

Adding to 12703550255078 its reverse (87055205530721), we get a palindrome (99758755785799).

The spelling of 12703550255078 in words is "twelve trillion, seven hundred three billion, five hundred fifty million, two hundred fifty-five thousand, seventy-eight".

Divisors: 1 2 19 38 1783 3566 5791 11582 32377 33877 64754 67754 110029 220058 615163 1230326 10325353 20650706 57728191 115456382 187495207 196181707 374990414 392363414 1096835629 2193671258 3562408933 7124817866 334303954081 668607908162 6351775127539 12703550255078