Search a number
-
+
202230400431 = 3411644149597
BaseRepresentation
bin1011110001010111011…
…1110000010110101111
3201022222210011202200210
42330111313300112233
511303131440303211
6232523043153503
720416313020113
oct2742567602657
9638883152623
10202230400431
1178846875044
123323a675893
13160bb435b47
149b063d3743
1553d91989a6
hex2f15df05af

202230400431 has 8 divisors (see below), whose sum is σ = 276217132464. Its totient is φ = 131531967680.

The previous prime is 202230400423. The next prime is 202230400439. The reversal of 202230400431 is 134004032202.

It is an interprime number because it is at equal distance from previous prime (202230400423) and next prime (202230400439).

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 202230400431 - 23 = 202230400423 is a prime.

It is a super-2 number, since 2×2022304004312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202230400398 and 202230400407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202230400439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822074676 + ... + 822074921.

It is an arithmetic number, because the mean of its divisors is an integer number (34527141558).

Almost surely, 2202230400431 is an apocalyptic number.

202230400431 is a deficient number, since it is larger than the sum of its proper divisors (73986732033).

202230400431 is a wasteful number, since it uses less digits than its factorization.

202230400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644149641.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 202230400431 its reverse (134004032202), we get a palindrome (336234432633).

The spelling of 202230400431 in words is "two hundred two billion, two hundred thirty million, four hundred thousand, four hundred thirty-one".

Divisors: 1 3 41 123 1644149597 4932448791 67410133477 202230400431