Search a number
-
+
121301342304 = 2531263555649
BaseRepresentation
bin111000011111000011…
…1111001100001100000
3102121002200212122112120
41300332013321201200
53441411120423204
6131420340424240
711522650253202
oct1607607714140
9377080778476
10121301342304
114749749992a
121b6136a8080
13b5919a22bc
145c2a0d6772
15324e35d6d9
hex1c3e1f9860

121301342304 has 24 divisors (see below), whose sum is σ = 318416023800. Its totient is φ = 40433780736.

The previous prime is 121301342297. The next prime is 121301342321. The reversal of 121301342304 is 403243103121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a congruent number.

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, 631777729 + ... + 631777920.

It is an arithmetic number, because the mean of its divisors is an integer number (13267334325).

Almost surely, 2121301342304 is an apocalyptic number.

It is an amenable number.

121301342304 is an abundant number, since it is smaller than the sum of its proper divisors (197114681496).

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

121301342304 is a wasteful number, since it uses less digits than its factorization.

121301342304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263555662 (or 1263555654 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121301342304 its reverse (403243103121), we get a palindrome (524544445425).

The spelling of 121301342304 in words is "one hundred twenty-one billion, three hundred one million, three hundred forty-two thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1263555649 2527111298 3790666947 5054222596 7581333894 10108445192 15162667788 20216890384 30325335576 40433780768 60650671152 121301342304