Search a number
-
+
122055453013 = 139388881001
BaseRepresentation
bin111000110101100010…
…0100110100101010101
3102200001020212102221211
41301223010212211111
53444432143444023
6132023235541421
711550435142534
oct1615304464525
9380036772854
10122055453013
114784413741a
121b7a415a871
13b681ca8b60
145c9c31831b
15329566da0d
hex1c6b126955

122055453013 has 4 divisors (see below), whose sum is σ = 131444334028. Its totient is φ = 112666572000.

The previous prime is 122055452989. The next prime is 122055453017. The reversal of 122055453013 is 310354550221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31886173489 + 90169279524 = 178567^2 + 300282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122055453013 is a prime.

It is a super-2 number, since 2×1220554530132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122055453017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4694440488 + ... + 4694440513.

It is an arithmetic number, because the mean of its divisors is an integer number (32861083507).

Almost surely, 2122055453013 is an apocalyptic number.

122055453013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122055453013 is a deficient number, since it is larger than the sum of its proper divisors (9388881015).

122055453013 is an equidigital number, since it uses as much as digits as its factorization.

122055453013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9388881014.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 122055453013 in words is "one hundred twenty-two billion, fifty-five million, four hundred fifty-three thousand, thirteen".

Divisors: 1 13 9388881001 122055453013