Search a number
-
+
155244150223141 = 722177735746163
BaseRepresentation
bin100011010011000110011000…
…011011010111000100100101
3202100200012021202022022200211
4203103012120123113010211
5130322010004424120031
61310102102243135421
744462006523156340
oct4323063033270445
9670605252268624
10155244150223141
114551374665a041
12154b3433974571
1368815caa9c925
142a49bdd70b457
1512e33cb107bb1
hex8d31986d7125

155244150223141 has 4 divisors (see below), whose sum is σ = 177421885969312. Its totient is φ = 133066414476972.

The previous prime is 155244150223109. The next prime is 155244150223159. The reversal of 155244150223141 is 141322051442551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155244150223141 - 25 = 155244150223109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155244150223094 and 155244150223103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155244100223141) 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, 11088867873075 + ... + 11088867873088.

It is an arithmetic number, because the mean of its divisors is an integer number (44355471492328).

Almost surely, 2155244150223141 is an apocalyptic number.

It is an amenable number.

155244150223141 is a deficient number, since it is larger than the sum of its proper divisors (22177735746171).

155244150223141 is an equidigital number, since it uses as much as digits as its factorization.

155244150223141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22177735746170.

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 155244150223141 in words is "one hundred fifty-five trillion, two hundred forty-four billion, one hundred fifty million, two hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 7 22177735746163 155244150223141