Search a number
-
+
120202102020023 = 121399094890371
BaseRepresentation
bin11011010101001010111011…
…100101111001011110110111
3120202121012122011101101211022
4123111022323211321132313
5111223342401104120043
61103352030000331355
734214213100050342
oct3325127345713667
9522535564341738
10120202102020023
1135333474a23141
1211593b80913b5b
13520c01809327a
142197b543a5459
15dd6aec3e0868
hex6d52bb9797b7

120202102020023 has 4 divisors (see below), whose sum is σ = 120301196911608. Its totient is φ = 120103007128440.

The previous prime is 120202102020019. The next prime is 120202102020073. The reversal of 120202102020023 is 320020201202021.

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

It is a cyclic number.

It is not a de Polignac number, because 120202102020023 - 22 = 120202102020019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120202102019983 and 120202102020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202102020073) 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, 49547443973 + ... + 49547446398.

It is an arithmetic number, because the mean of its divisors is an integer number (30075299227902).

Almost surely, 2120202102020023 is an apocalyptic number.

120202102020023 is a deficient number, since it is larger than the sum of its proper divisors (99094891585).

120202102020023 is an equidigital number, since it uses as much as digits as its factorization.

120202102020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99094891584.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 120202102020023 its reverse (320020201202021), we get a palindrome (440222303222044).

The spelling of 120202102020023 in words is "one hundred twenty trillion, two hundred two billion, one hundred two million, twenty thousand, twenty-three".

Divisors: 1 1213 99094890371 120202102020023