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202010112102100 = 225231224071290821
BaseRepresentation
bin101101111011101000100100…
…111110010000111011010100
3222111020222102001011220211111
4231323220210332100323110
5202434213202144231400
61553350055255544404
760356514616263031
oct5573504476207324
9874228361156744
10202010112102100
1159404009986105
121a7a6ab598b104
138894619800803
1437c54ad498388
151854b2ebc03ba
hexb7ba24f90ed4

202010112102100 has 72 divisors (see below), whose sum is σ = 452506226525696. Its totient is φ = 78196844880000.

The previous prime is 202010112102059. The next prime is 202010112102101. The reversal of 202010112102100 is 1201211010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202010112102101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 694474690 + ... + 694765510.

Almost surely, 2202010112102100 is an apocalyptic number.

202010112102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202010112102100 is an abundant number, since it is smaller than the sum of its proper divisors (250496114423596).

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

202010112102100 is a wasteful number, since it uses less digits than its factorization.

202010112102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514937 (or 514930 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202010112102100 its reverse (1201211010202), we get a palindrome (203211323112302).

The spelling of 202010112102100 in words is "two hundred two trillion, ten billion, one hundred twelve million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 224071 290821 448142 581642 896284 1120355 1163284 1454105 2240710 2908210 4481420 5601775 5816420 6946201 7270525 9015451 11203550 13892402 14541050 18030902 22407100 27784804 29082100 34731005 36061804 45077255 69462010 90154510 138924020 173655025 180309020 225386275 347310050 450772550 694620100 901545100 65164552291 130329104582 260658209164 325822761455 651645522910 1303291045820 1629113807275 2020101121021 3258227614550 4040202242042 6516455229100 8080404484084 10100505605105 20201011210210 40402022420420 50502528025525 101005056051050 202010112102100