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122560231425 = 3521634136419
BaseRepresentation
bin111001000100100101…
…0001011100000000001
3102201100102200211202120
41302021022023200001
54002000404401200
6132145311034453
711566104530652
oct1621112134001
9381312624676
10122560231425
1147a83067965
121b90520ba29
13b732744bc8
145d09395529
1532c4b2c9a0
hex1c8928b801

122560231425 has 12 divisors (see below), whose sum is σ = 202632916080. Its totient is φ = 65365456720.

The previous prime is 122560231421. The next prime is 122560231429. The reversal of 122560231425 is 524132065221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122560231421) and next prime (122560231429).

It is not a de Polignac number, because 122560231425 - 22 = 122560231421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122560231421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 817068135 + ... + 817068284.

It is an arithmetic number, because the mean of its divisors is an integer number (16886076340).

Almost surely, 2122560231425 is an apocalyptic number.

122560231425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122560231425 is a deficient number, since it is larger than the sum of its proper divisors (80072684655).

122560231425 is a wasteful number, since it uses less digits than its factorization.

122560231425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634136432 (or 1634136427 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 122560231425 its reverse (524132065221), we get a palindrome (646692296646).

The spelling of 122560231425 in words is "one hundred twenty-two billion, five hundred sixty million, two hundred thirty-one thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 1634136419 4902409257 8170682095 24512046285 40853410475 122560231425