Search a number
-
+
125255012071 = 774324082871
BaseRepresentation
bin111010010100111000…
…1111100111011100111
3102222022020101212212011
41310221301330323213
54023010240341241
6133312533335051
712022636015210
oct1645161747347
9388266355764
10125255012071
1149136209502
1220337797487
13ba71b21a77
1460c322a407
1533d14d1281
hex1d29c7cee7

125255012071 has 8 divisors (see below), whose sum is σ = 143341254144. Its totient is φ = 107216937240.

The previous prime is 125255011993. The next prime is 125255012081. The reversal of 125255012071 is 170210552521.

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 125255012071 - 229 = 124718141159 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 (125255012081) 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, 12036235 + ... + 12046636.

It is an arithmetic number, because the mean of its divisors is an integer number (17917656768).

Almost surely, 2125255012071 is an apocalyptic number.

125255012071 is a deficient number, since it is larger than the sum of its proper divisors (18086242073).

125255012071 is an equidigital number, since it uses as much as digits as its factorization.

125255012071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24083621.

The product of its (nonzero) digits is 7000, while the sum is 31.

Adding to 125255012071 its reverse (170210552521), we get a palindrome (295465564592).

It can be divided in two parts, 1252550 and 12071, that added together give a palindrome (1264621).

The spelling of 125255012071 in words is "one hundred twenty-five billion, two hundred fifty-five million, twelve thousand, seventy-one".

Divisors: 1 7 743 5201 24082871 168580097 17893573153 125255012071