Search a number
-
+
211203311203 = 2391583100267
BaseRepresentation
bin1100010010110010110…
…0101100011001100011
3202012011010021212021101
43010230230230121203
511430021021424303
6241005255535231
721154546344613
oct3045454543143
9665133255241
10211203311203
1181630843785
1234b2368a517
1316bbb3bccc1
14a317d96a43
155761cc3d1d
hex312cb2c663

211203311203 has 8 divisors (see below), whose sum is σ = 220390668288. Its totient is φ = 202016337864.

The previous prime is 211203311161. The next prime is 211203311251. The reversal of 211203311203 is 302113302112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211203311203 - 237 = 73764357731 is a prime.

It is a super-3 number, since 3×2112033112033 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211203311303) 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, 2056276 + ... + 2156542.

It is an arithmetic number, because the mean of its divisors is an integer number (27548833536).

Almost surely, 2211203311203 is an apocalyptic number.

211203311203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211203311203 is a deficient number, since it is larger than the sum of its proper divisors (9187357085).

211203311203 is a wasteful number, since it uses less digits than its factorization.

211203311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191873.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211203311203 its reverse (302113302112), we get a palindrome (513316613315).

Subtracting 211203311203 from its reverse (302113302112), we obtain a palindrome (90909990909).

The spelling of 211203311203 in words is "two hundred eleven billion, two hundred three million, three hundred eleven thousand, two hundred three".

Divisors: 1 23 91583 100267 2106409 2306141 9182752661 211203311203