Search a number
-
+
121300112321309 = 538677332637541
BaseRepresentation
bin11011100101001001100010…
…000110110010101100011101
3120220111011210101111000001002
4123211021202012302230131
5111344340112223240214
61105552300300000045
734356433601446115
oct3345114206625435
9526434711430032
10121300112321309
11357170a8133029
1211730936230025
13528b72288cc0c
1421d4d574d6045
15e054633661de
hex6e52621b2b1d

121300112321309 has 8 divisors (see below), whose sum is σ = 123588982970712. Its totient is φ = 119011248682560.

The previous prime is 121300112321237. The next prime is 121300112321357. The reversal of 121300112321309 is 903123211003121.

It can be written as a sum of positive squares in 4 ways, for example, as 14057063025625 + 107243049295684 = 3749275^2 + 10355822^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121300112321309 - 220 = 121300111272733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300112521309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44671079 + ... + 47308619.

It is an arithmetic number, because the mean of its divisors is an integer number (15448622871339).

Almost surely, 2121300112321309 is an apocalyptic number.

It is an amenable number.

121300112321309 is a deficient number, since it is larger than the sum of its proper divisors (2288870649403).

121300112321309 is an equidigital number, since it uses as much as digits as its factorization.

121300112321309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505327.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 121300112321309 in words is "one hundred twenty-one trillion, three hundred billion, one hundred twelve million, three hundred twenty-one thousand, three hundred nine".

Divisors: 1 53 867733 2637541 45989849 139789673 2288681364553 121300112321309