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122030123113 = 857274151949
BaseRepresentation
bin111000110100110001…
…1111110100001101001
3102122222111012112212101
41301221203332201221
53444404202414423
6132020533013401
711550006634453
oct1615143764151
9378874175771
10122030123113
1147830906718
121b797784261
13b67997a752
145c98c032d3
1532933187ad
hex1c698fe869

122030123113 has 8 divisors (see below), whose sum is σ = 122219440200. Its totient is φ = 121840917120.

The previous prime is 122030123093. The next prime is 122030123119. The reversal of 122030123113 is 311321030221.

It can be written as a sum of positive squares in 4 ways, for example, as 17787023424 + 104243099689 = 133368^2 + 322867^2 .

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 122030123113 - 29 = 122030122601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122030123119) 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, 2323063 + ... + 2375011.

It is an arithmetic number, because the mean of its divisors is an integer number (15277430025).

Almost surely, 2122030123113 is an apocalyptic number.

It is an amenable number.

122030123113 is a deficient number, since it is larger than the sum of its proper divisors (189317087).

122030123113 is an equidigital number, since it uses as much as digits as its factorization.

122030123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55547.

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

Adding to 122030123113 its reverse (311321030221), we get a palindrome (433351153334).

The spelling of 122030123113 in words is "one hundred twenty-two billion, thirty million, one hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 857 2741 51949 2349037 44520293 142392209 122030123113