Search a number
-
+
10681380478078 = 25340690239039
BaseRepresentation
bin1001101101101111001111…
…1000111001110001111110
31101211010111202210221020021
42123123303320321301332
52400000431400244303
634414543005242354
72151463365011332
oct233336370716176
941733452727207
1010681380478078
113448a478a9272
1212461588633ba
135c6332c2266b
1428cda561b7c2
15137ca9569ebd
hex9b6f3e39c7e

10681380478078 has 4 divisors (see below), whose sum is σ = 16022070717120. Its totient is φ = 5340690239038.

The previous prime is 10681380478007. The next prime is 10681380478151. The reversal of 10681380478078 is 87087408318601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×106813804780782 (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 as a sum of consecutive naturals, namely, 2670345119518 + ... + 2670345119521.

It is an arithmetic number, because the mean of its divisors is an integer number (4005517679280).

Almost surely, 210681380478078 is an apocalyptic number.

10681380478078 is a deficient number, since it is larger than the sum of its proper divisors (5340690239042).

10681380478078 is an equidigital number, since it uses as much as digits as its factorization.

10681380478078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340690239041.

The product of its (nonzero) digits is 14450688, while the sum is 61.

The spelling of 10681380478078 in words is "ten trillion, six hundred eighty-one billion, three hundred eighty million, four hundred seventy-eight thousand, seventy-eight".

Divisors: 1 2 5340690239039 10681380478078