Search a number
-
+
122013555311 = 1954771172497
BaseRepresentation
bin111000110100010010…
…0110001101001101111
3102122221100000211010002
41301220210301221233
53444340432232221
6132015141534515
711546416052024
oct1615044615157
9378840024102
10122013555311
114782252001a
121b79211443b
13b6763c960b
145c9692d54b
153291b4480b
hex1c68931a6f

122013555311 has 8 divisors (see below), whose sum is σ = 128458880880. Its totient is φ = 115570585728.

The previous prime is 122013555289. The next prime is 122013555331. The reversal of 122013555311 is 113555310221.

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 122013555311 - 210 = 122013554287 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 (122013555331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482186 + ... + 690311.

It is an arithmetic number, because the mean of its divisors is an integer number (16057360110).

Almost surely, 2122013555311 is an apocalyptic number.

122013555311 is a deficient number, since it is larger than the sum of its proper divisors (6445325569).

122013555311 is a wasteful number, since it uses less digits than its factorization.

122013555311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177993.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 122013555311 its reverse (113555310221), we get a palindrome (235568865532).

The spelling of 122013555311 in words is "one hundred twenty-two billion, thirteen million, five hundred fifty-five thousand, three hundred eleven".

Divisors: 1 19 5477 104063 1172497 22277443 6421766069 122013555311