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125133502143 = 31319168871123
BaseRepresentation
bin111010010001010001…
…0011011011010111111
3102221222202202112120110
41310202202123122333
54022233134032033
6133252513121103
712016632134646
oct1644242333277
9387882675513
10125133502143
1149083666281
1220302b59193
13ba528b97c0
1460b103a35d
1533c59cd363
hex1d2289b6bf

125133502143 has 16 divisors (see below), whose sum is σ = 189135658880. Its totient is φ = 72952324704.

The previous prime is 125133502139. The next prime is 125133502189. The reversal of 125133502143 is 341205331521.

It is not a de Polignac number, because 125133502143 - 22 = 125133502139 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 125133502143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125133552143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84434821 + ... + 84436302.

It is an arithmetic number, because the mean of its divisors is an integer number (11820978680).

Almost surely, 2125133502143 is an apocalyptic number.

125133502143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125133502143 is a deficient number, since it is larger than the sum of its proper divisors (64002156737).

125133502143 is a wasteful number, since it uses less digits than its factorization.

125133502143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168871158.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 125133502143 its reverse (341205331521), we get a palindrome (466338833664).

The spelling of 125133502143 in words is "one hundred twenty-five billion, one hundred thirty-three million, five hundred two thousand, one hundred forty-three".

Divisors: 1 3 13 19 39 57 247 741 168871123 506613369 2195324599 3208551337 6585973797 9625654011 41711167381 125133502143