Search a number
-
+
202130111310 = 23559114197803
BaseRepresentation
bin1011110000111111100…
…1001011101101001110
3201022201210110112212220
42330033321023231032
511302430302030220
6232505101440210
720413654412031
oct2741771135516
9638653415786
10202130111310
11787a51a6376
1233210b70066
13160a372087a
149ad6d69018
1553d0488540
hex2f0fe4bb4e

202130111310 has 32 divisors (see below), whose sum is σ = 493334513280. Its totient is φ = 52987780128.

The previous prime is 202130111303. The next prime is 202130111329. The reversal of 202130111310 is 13111031202.

It is a happy number.

It is a super-2 number, since 2×2021301113102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202130111310.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 57097132 + ... + 57100671.

It is an arithmetic number, because the mean of its divisors is an integer number (15416703540).

Almost surely, 2202130111310 is an apocalyptic number.

202130111310 is an abundant number, since it is smaller than the sum of its proper divisors (291204401970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202130111310 is a wasteful number, since it uses less digits than its factorization.

202130111310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114197872.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 202130111310 its reverse (13111031202), we get a palindrome (215241142512).

The spelling of 202130111310 in words is "two hundred two billion, one hundred thirty million, one hundred eleven thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 114197803 228395606 342593409 570989015 685186818 1141978030 1712967045 3425934090 6737670377 13475340754 20213011131 33688351885 40426022262 67376703770 101065055655 202130111310