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125310230145 = 3355317513659
BaseRepresentation
bin111010010110100010…
…0100101111010000001
3102222110002022020211000
41310231010211322001
54023113404331040
6133322225042213
712024206244642
oct1645504457201
9388402266730
10125310230145
11491643a3681
1220352186369
13ba803b6299
1460ca6c16c9
1533d628c130
hex1d2d125e81

125310230145 has 32 divisors (see below), whose sum is σ = 226977033600. Its totient is φ = 65571135552.

The previous prime is 125310230131. The next prime is 125310230161. The reversal of 125310230145 is 541032013521.

125310230145 is a `hidden beast` number, since 1 + 2 + 5 + 310 + 2 + 301 + 45 = 666.

It is not a de Polignac number, because 125310230145 - 26 = 125310230081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8749675 + ... + 8763984.

It is an arithmetic number, because the mean of its divisors is an integer number (7093032300).

Almost surely, 2125310230145 is an apocalyptic number.

125310230145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125310230145 is a deficient number, since it is larger than the sum of its proper divisors (101666803455).

125310230145 is a wasteful number, since it uses less digits than its factorization.

125310230145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17513726 (or 17513720 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 125310230145 its reverse (541032013521), we get a palindrome (666342243666).

The spelling of 125310230145 in words is "one hundred twenty-five billion, three hundred ten million, two hundred thirty thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 45 53 135 159 265 477 795 1431 2385 7155 17513659 52540977 87568295 157622931 262704885 472868793 788114655 928223927 2364343965 2784671781 4641119635 8354015343 13923358905 25062046029 41770076715 125310230145