Search a number
-
+
211222030202 = 21719326969087
BaseRepresentation
bin1100010010110111010…
…0000110011101111010
3202012012102111212220122
43010231310012131322
511430040314431302
6241011205053242
721155164430141
oct3045564063572
9665172455818
10211222030202
1181640369627
1234b299b7222
1316bc2245331
14a31a66a758
1557637703a2
hex312dd0677a

211222030202 has 16 divisors (see below), whose sum is σ = 353126615040. Its totient is φ = 94167096768.

The previous prime is 211222030177. The next prime is 211222030231. The reversal of 211222030202 is 202030222112.

It is a super-2 number, since 2×2112220302022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163483898 + ... + 163485189.

It is an arithmetic number, because the mean of its divisors is an integer number (22070413440).

Almost surely, 2211222030202 is an apocalyptic number.

211222030202 is a deficient number, since it is larger than the sum of its proper divisors (141904584838).

211222030202 is a wasteful number, since it uses less digits than its factorization.

211222030202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326969125.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 211222030202 its reverse (202030222112), we get a palindrome (413252252314).

The spelling of 211222030202 in words is "two hundred eleven billion, two hundred twenty-two million, thirty thousand, two hundred two".

Divisors: 1 2 17 19 34 38 323 646 326969087 653938174 5558474479 6212412653 11116948958 12424825306 105611015101 211222030202