Search a number
-
+
223032131320 = 23518130805543
BaseRepresentation
bin1100111110110111000…
…0000011111011111000
3210022200111022011222011
43033231300003323320
512123232211200240
6250243132335304
722053641556625
oct3175560037370
9708614264864
10223032131320
1186650907379
1237285014534
1318054c4b44b
14ab1ad7534c
155c054ce6ea
hex33edc03ef8

223032131320 has 32 divisors (see below), whose sum is σ = 504594810720. Its totient is φ = 88719960960.

The previous prime is 223032131303. The next prime is 223032131323. The reversal of 223032131320 is 23131230322.

It is a super-2 number, since 2×2230321313202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223032131291 and 223032131300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223032131323) 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, 15395532 + ... + 15410011.

It is an arithmetic number, because the mean of its divisors is an integer number (15768587835).

Almost surely, 2223032131320 is an apocalyptic number.

223032131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223032131320 is an abundant number, since it is smaller than the sum of its proper divisors (281562679400).

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

223032131320 is a wasteful number, since it uses less digits than its factorization.

223032131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30805735 (or 30805731 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 223032131320 its reverse (23131230322), we get a palindrome (246163361642).

The spelling of 223032131320 in words is "two hundred twenty-three billion, thirty-two million, one hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 181 362 724 905 1448 1810 3620 7240 30805543 61611086 123222172 154027715 246444344 308055430 616110860 1232221720 5575803283 11151606566 22303213132 27879016415 44606426264 55758032830 111516065660 223032131320