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125405324313 = 31943397128879
BaseRepresentation
bin111010011001010111…
…1010110010000011001
3102222200201020112111020
41310302233112100121
54023312230334223
6133335503153053
712026442445263
oct1646257262031
9388621215436
10125405324313
11492030442a5
1220379ba5789
13ba96cccb19
1460d9196b33
1533de7c31e3
hex1d32bd6419

125405324313 has 32 divisors (see below), whose sum is σ = 180555724800. Its totient is φ = 77165960256.

The previous prime is 125405324281. The next prime is 125405324323. The reversal of 125405324313 is 313423504521.

It is not a de Polignac number, because 125405324313 - 25 = 125405324281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125405324323) 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 in 31 ways as a sum of consecutive naturals, for example, 908608 + ... + 1037486.

It is an arithmetic number, because the mean of its divisors is an integer number (5642366400).

Almost surely, 2125405324313 is an apocalyptic number.

It is an amenable number.

125405324313 is a deficient number, since it is larger than the sum of its proper divisors (55150400487).

125405324313 is a wasteful number, since it uses less digits than its factorization.

125405324313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129341.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 125405324313 its reverse (313423504521), we get a palindrome (438828828834).

The spelling of 125405324313 in words is "one hundred twenty-five billion, four hundred five million, three hundred twenty-four thousand, three hundred thirteen".

Divisors: 1 3 19 43 57 129 397 817 1191 2451 7543 17071 22629 51213 128879 324349 386637 973047 2448701 5541797 7346103 16625391 51164963 105294143 153494889 315882429 972134297 2200093409 2916402891 6600280227 41801774771 125405324313