Search a number
-
+
202253221230 = 23530403221747
BaseRepresentation
bin1011110001011100111…
…0110011110101101110
3201100001101010011221120
42330113032303311232
511303203311034410
6232525220241410
720420011005054
oct2742716636556
9640041104846
10202253221230
1178858741705
1233246240266
13160c3096188
149b094541d4
1553db1a5570
hex2f173b3d6e

202253221230 has 32 divisors (see below), whose sum is σ = 485425885824. Its totient is φ = 53932175136.

The previous prime is 202253221217. The next prime is 202253221231. The reversal of 202253221230 is 32122352202.

It is a happy number.

It is a super-2 number, since 2×2022532212302 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202253221230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202253221231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801217 + ... + 1022963.

It is an arithmetic number, because the mean of its divisors is an integer number (15169558932).

Almost surely, 2202253221230 is an apocalyptic number.

202253221230 is an abundant number, since it is smaller than the sum of its proper divisors (283172664594).

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

202253221230 is a wasteful number, since it uses less digits than its factorization.

202253221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252160.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 202253221230 its reverse (32122352202), we get a palindrome (234375573432).

The spelling of 202253221230 in words is "two hundred two billion, two hundred fifty-three million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 30403 60806 91209 152015 182418 221747 304030 443494 456045 665241 912090 1108735 1330482 2217470 3326205 6652410 6741774041 13483548082 20225322123 33708870205 40450644246 67417740410 101126610615 202253221230