Search a number
-
+
120849455471 = 143898398739
BaseRepresentation
bin111000010001100110…
…0000101100101101111
3102112221012120102100012
41300203030011211233
53434444430033341
6131303435123435
711505522264653
oct1604314054557
9375835512305
10120849455471
1147285404638
121b5082a357b
13b51c194844
145bc60a6a63
15322484b0eb
hex1c2330596f

120849455471 has 4 divisors (see below), whose sum is σ = 120857868600. Its totient is φ = 120841042344.

The previous prime is 120849455459. The next prime is 120849455501. The reversal of 120849455471 is 174554948021.

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

It is a cyclic number.

It is not a de Polignac number, because 120849455471 - 222 = 120845261167 is a prime.

It is a super-3 number, since 3×1208494554713 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120849455401) 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, 4184981 + ... + 4213758.

It is an arithmetic number, because the mean of its divisors is an integer number (30214467150).

Almost surely, 2120849455471 is an apocalyptic number.

120849455471 is a deficient number, since it is larger than the sum of its proper divisors (8413129).

120849455471 is an equidigital number, since it uses as much as digits as its factorization.

120849455471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8413128.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 120849455471 in words is "one hundred twenty billion, eight hundred forty-nine million, four hundred fifty-five thousand, four hundred seventy-one".

Divisors: 1 14389 8398739 120849455471