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122103231013 = 2310195209849
BaseRepresentation
bin111000110110111101…
…0110111001000100101
3102200011120202211001101
41301231322313020211
54000031411343023
6132032104000101
711551555224151
oct1615572671045
9380146684041
10122103231013
11478690aa775
121b7b8160031
13b68bb66a6a
145ca47d4061
15329995a1ad
hex1c6deb7225

122103231013 has 8 divisors (see below), whose sum is σ = 127537128000. Its totient is φ = 116679755808.

The previous prime is 122103231011. The next prime is 122103231037. The reversal of 122103231013 is 310132301221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122103231013 - 21 = 122103231011 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 (122103231011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2581488 + ... + 2628361.

It is an arithmetic number, because the mean of its divisors is an integer number (15942141000).

Almost surely, 2122103231013 is an apocalyptic number.

It is an amenable number.

122103231013 is a deficient number, since it is larger than the sum of its proper divisors (5433896987).

122103231013 is a wasteful number, since it uses less digits than its factorization.

122103231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210891.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 122103231013 its reverse (310132301221), we get a palindrome (432235532234).

The spelling of 122103231013 in words is "one hundred twenty-two billion, one hundred three million, two hundred thirty-one thousand, thirteen".

Divisors: 1 23 1019 23437 5209849 119826527 5308836131 122103231013