Search a number
-
+
155155010152 = 2319394376269
BaseRepresentation
bin1001000001111111110…
…1011001001001101000
3112211111000112011101111
42100133331121021220
510020224140311102
6155135514200104
714131612553242
oct2203775311150
9484430464344
10155155010152
115a889a5a61a
12260a1123034
131182857251c
14771c283092
154081454cd7
hex241ff59268

155155010152 has 8 divisors (see below), whose sum is σ = 290915644050. Its totient is φ = 77577505072.

The previous prime is 155155010147. The next prime is 155155010159. The reversal of 155155010152 is 251010551551.

It is a happy number.

155155010152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 80557198276 + 74597811876 = 283826^2 + 273126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (155155010159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9697188127 + ... + 9697188142.

Almost surely, 2155155010152 is an apocalyptic number.

It is an amenable number.

155155010152 is a deficient number, since it is larger than the sum of its proper divisors (135760633898).

155155010152 is a wasteful number, since it uses less digits than its factorization.

155155010152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19394376275 (or 19394376271 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 31.

The spelling of 155155010152 in words is "one hundred fifty-five billion, one hundred fifty-five million, ten thousand, one hundred fifty-two".

Divisors: 1 2 4 8 19394376269 38788752538 77577505076 155155010152