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120245353551013 = 870656913810877
BaseRepresentation
bin11011010101110011001101…
…100101011001010010100101
3120202202100021102202211022111
4123111303031211121102211
5111230044441002113023
61103423541451001021
734220303646023335
oct3325631545312245
9522670242684274
10120245353551013
113534a84a320579
12115a0431739171
13521311b987562
142199c987330c5
15dd7cce5a400d
hex6d5ccd9594a5

120245353551013 has 4 divisors (see below), whose sum is σ = 120245376068460. Its totient is φ = 120245331033568.

The previous prime is 120245353550981. The next prime is 120245353551023. The reversal of 120245353551013 is 310155353542021.

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 69413259057444 + 50832094493569 = 8331462^2 + 7129663^2 .

It is a cyclic number.

It is not a de Polignac number, because 120245353551013 - 25 = 120245353550981 is a prime.

It is a super-2 number, since 2×1202453535510132 (a number of 29 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 (120245353551023) 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, 1801131 + ... + 15612007.

It is an arithmetic number, because the mean of its divisors is an integer number (30061344017115).

Almost surely, 2120245353551013 is an apocalyptic number.

It is an amenable number.

120245353551013 is a deficient number, since it is larger than the sum of its proper divisors (22517447).

120245353551013 is an equidigital number, since it uses as much as digits as its factorization.

120245353551013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22517446.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 120245353551013 in words is "one hundred twenty trillion, two hundred forty-five billion, three hundred fifty-three million, five hundred fifty-one thousand, thirteen".

Divisors: 1 8706569 13810877 120245353551013