Search a number
-
+
120868455193 = 1732992155171
BaseRepresentation
bin111000010010001010…
…0100100001100011001
3102112222112022201001121
41300210110210030121
53440014311031233
6131305354245241
711506142626513
oct1604424441431
9375875281047
10120868455193
1147295101392
121b512726821
13b5230b7895
145bc8810bb3
15322635092d
hex1c24524319

120868455193 has 8 divisors (see below), whose sum is σ = 128017216800. Its totient is φ = 113724010560.

The previous prime is 120868455137. The next prime is 120868455229. The reversal of 120868455193 is 391554868021.

It is a happy number.

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

It is not a de Polignac number, because 120868455193 - 229 = 120331584281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120868455193.

It is not an unprimeable number, because it can be changed into a prime (120868455893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021503 + ... + 1133668.

It is an arithmetic number, because the mean of its divisors is an integer number (16002152100).

Almost surely, 2120868455193 is an apocalyptic number.

It is an amenable number.

120868455193 is a deficient number, since it is larger than the sum of its proper divisors (7148761607).

120868455193 is a wasteful number, since it uses less digits than its factorization.

120868455193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158487.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 120868455193 in words is "one hundred twenty billion, eight hundred sixty-eight million, four hundred fifty-five thousand, one hundred ninety-three".

Divisors: 1 17 3299 56083 2155171 36637907 7109909129 120868455193