Search a number
-
+
122113400231 = 4323911882203
BaseRepresentation
bin111000110111010000…
…1101001110110100111
3102200012021220110121002
41301232201221312213
54000042012301411
6132033105543515
711552040530054
oct1615641516647
9380167813532
10122113400231
1147873915a89
121b7bb644b9b
13b690cb7654
145ca5cc002b
15329a7b833b
hex1c6e869da7

122113400231 has 8 divisors (see below), whose sum is σ = 125476074240. Its totient is φ = 118774491192.

The previous prime is 122113400183. The next prime is 122113400237. The reversal of 122113400231 is 132004311221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122113400231 is a prime.

It is a super-2 number, since 2×1221134002312 (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 (122113400237) 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, 5930825 + ... + 5951378.

It is an arithmetic number, because the mean of its divisors is an integer number (15684509280).

Almost surely, 2122113400231 is an apocalyptic number.

122113400231 is a deficient number, since it is larger than the sum of its proper divisors (3362674009).

122113400231 is a wasteful number, since it uses less digits than its factorization.

122113400231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11882485.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122113400231 its reverse (132004311221), we get a palindrome (254117711452).

The spelling of 122113400231 in words is "one hundred twenty-two billion, one hundred thirteen million, four hundred thousand, two hundred thirty-one".

Divisors: 1 43 239 10277 11882203 510934729 2839846517 122113400231