Search a number
-
+
2211220222030 = 251511704185933
BaseRepresentation
bin100000001011010110111…
…111101111000001001110
321211101112201221212112101
4200023112333233001032
5242212034334101110
64411453123225314
7315520045524451
oct40132677570116
97741481855471
102211220222030
11782856194956
122b867121823a
131306952c5681
1479048ba9498
153c7bb4e213a
hex202d6fef04e

2211220222030 has 32 divisors (see below), whose sum is σ = 4006837055808. Its totient is φ = 878568768000.

The previous prime is 2211220222021. The next prime is 2211220222033. The reversal of 2211220222030 is 302220221122.

It is a junction number, because it is equal to n+sod(n) for n = 2211220221989 and 2211220222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211220222033) 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, 25688944 + ... + 25774876.

It is an arithmetic number, because the mean of its divisors is an integer number (125213657994).

Almost surely, 22211220222030 is an apocalyptic number.

2211220222030 is a deficient number, since it is larger than the sum of its proper divisors (1795616833778).

2211220222030 is a wasteful number, since it uses less digits than its factorization.

2211220222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103132.

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

Adding to 2211220222030 its reverse (302220221122), we get a palindrome (2513440443152).

The spelling of 2211220222030 in words is "two trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 151 302 755 1510 17041 34082 85205 85933 170410 171866 429665 859330 2573191 5146382 12865955 12975883 25731910 25951766 64879415 129758830 1464384253 2928768506 7321921265 14643842530 221122022203 442244044406 1105610111015 2211220222030