Search a number
-
+
211212113322 = 2375028859841
BaseRepresentation
bin1100010010110100111…
…0010001010110101010
3202012011201212001111210
43010231032101112222
511430030300111242
6241010212333550
721155014225020
oct3045516212652
9665151761453
10211212113322
1181635805961
1234b266142b6
1316bc0182562
14a319208710
155762961d9c
hex312d3915aa

211212113322 has 16 divisors (see below), whose sum is σ = 482770544832. Its totient is φ = 60346318080.

The previous prime is 211212113311. The next prime is 211212113341. The reversal of 211212113322 is 223311212112.

It is a super-2 number, since 2×2112121133222 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

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, 2514429879 + ... + 2514429962.

It is an arithmetic number, because the mean of its divisors is an integer number (30173159052).

Almost surely, 2211212113322 is an apocalyptic number.

211212113322 is an abundant number, since it is smaller than the sum of its proper divisors (271558431510).

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

211212113322 is a wasteful number, since it uses less digits than its factorization.

211212113322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028859853.

The product of its digits is 288, while the sum is 21.

Adding to 211212113322 its reverse (223311212112), we get a palindrome (434523325434).

The spelling of 211212113322 in words is "two hundred eleven billion, two hundred twelve million, one hundred thirteen thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 5028859841 10057719682 15086579523 30173159046 35202018887 70404037774 105606056661 211212113322