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212202202101 = 32273834911657
BaseRepresentation
bin1100010110100000111…
…1001010001111110101
3202021201201212202222120
43011220033022033311
511434042230431401
6241252341350153
721221365646151
oct3055017121765
9667651782876
10212202202101
1181aa367a24a
1235162108359
131701a32c3c6
14a3b08d6061
1557be836836
hex31683ca3f5

212202202101 has 32 divisors (see below), whose sum is σ = 285677273088. Its totient is φ = 140106476160.

The previous prime is 212202202081. The next prime is 212202202129. The reversal of 212202202101 is 101202202212.

It is not a de Polignac number, because 212202202101 - 234 = 195022332917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202202141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128063265 + ... + 128064921.

It is an arithmetic number, because the mean of its divisors is an integer number (8927414784).

Almost surely, 2212202202101 is an apocalyptic number.

It is an amenable number.

212202202101 is a deficient number, since it is larger than the sum of its proper divisors (73475070987).

212202202101 is a wasteful number, since it uses less digits than its factorization.

212202202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212202202101 its reverse (101202202212), we get a palindrome (313404404313).

The spelling of 212202202101 in words is "two hundred twelve billion, two hundred two million, two hundred two thousand, one hundred one".

Divisors: 1 3 227 383 491 681 1149 1473 1657 4971 86941 111457 188053 260823 334371 376139 564159 634631 813587 1128417 1903893 2440761 42688031 128064093 144061237 184684249 311603821 432183711 554052747 934811463 70734067367 212202202101