Search a number
-
+
202130022142 = 2195319211109
BaseRepresentation
bin1011110000111111100…
…0110101111011111110
3201022201210022000120101
42330033320311323332
511302430241202032
6232505055511314
720413653561046
oct2741770657376
9638653260511
10202130022142
11787a5145384
1233210b2853a
13160a36bc0c9
149ad6d44726
1553d046bde7
hex2f0fe35efe

202130022142 has 8 divisors (see below), whose sum is σ = 319152666600. Its totient is φ = 95745799944.

The previous prime is 202130022139. The next prime is 202130022173. The reversal of 202130022142 is 241220031202.

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

It is a super-2 number, since 2×2021300221422 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2659605517 + ... + 2659605592.

It is an arithmetic number, because the mean of its divisors is an integer number (39894083325).

Almost surely, 2202130022142 is an apocalyptic number.

202130022142 is a deficient number, since it is larger than the sum of its proper divisors (117022644458).

202130022142 is a wasteful number, since it uses less digits than its factorization.

202130022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319211130.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 202130022142 its reverse (241220031202), we get a palindrome (443350053344).

The spelling of 202130022142 in words is "two hundred two billion, one hundred thirty million, twenty-two thousand, one hundred forty-two".

Divisors: 1 2 19 38 5319211109 10638422218 101065011071 202130022142