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12768080410 = 251276808041
BaseRepresentation
bin10111110010000100…
…10111001000011010
31012221211101200121001
423321002113020122
5202122112033120
65510544135214
7631255615141
oct137102271032
935854350531
1012768080410
115462280878
12258400750a
13128631ca87
14891a38758
154eaddee0a
hex2f909721a

12768080410 has 8 divisors (see below), whose sum is σ = 22982544756. Its totient is φ = 5107232160.

The previous prime is 12768080393. The next prime is 12768080411. The reversal of 12768080410 is 1408086721.

It can be written as a sum of positive squares in 2 ways, for example, as 12030360489 + 737719921 = 109683^2 + 27161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12768080410.

It is not an unprimeable number, because it can be changed into a prime (12768080411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638404011 + ... + 638404030.

Almost surely, 212768080410 is an apocalyptic number.

12768080410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12768080410 is a deficient number, since it is larger than the sum of its proper divisors (10214464346).

12768080410 is a wasteful number, since it uses less digits than its factorization.

12768080410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276808048.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 12768080410 in words is "twelve billion, seven hundred sixty-eight million, eighty thousand, four hundred ten".

Divisors: 1 2 5 10 1276808041 2553616082 6384040205 12768080410