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202030101 = 327133759113
BaseRepresentation
bin11000000101010…
…11110000010101
3112002011012012100
430002223300111
5403204430401
632014112313
75002141020
oct1402536025
9462135170
10202030101
11a404a229
12577ab699
1332b18350
141cb901b7
1512b0ab86
hexc0abc15

202030101 has 96 divisors (see below), whose sum is σ = 378443520. Its totient is φ = 101025792.

The previous prime is 202030079. The next prime is 202030133. The reversal of 202030101 is 101030202.

202030101 = 1003 + 1013 + ... + 1733.

It is a happy number.

It is not a de Polignac number, because 202030101 - 27 = 202029973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202030141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1787821 + ... + 1787933.

It is an arithmetic number, because the mean of its divisors is an integer number (3942120).

Almost surely, 2202030101 is an apocalyptic number.

202030101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202030101 is a deficient number, since it is larger than the sum of its proper divisors (176413419).

202030101 is a wasteful number, since it uses less digits than its factorization.

202030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 202030101 is about 14213.7293135897. The cubic root of 202030101 is about 586.7755740408.

Adding to 202030101 its reverse (101030202), we get a palindrome (303060303).

The spelling of 202030101 in words is "two hundred two million, thirty thousand, one hundred one".

Divisors: 1 3 7 9 13 21 37 39 59 63 91 111 113 117 177 259 273 333 339 413 481 531 767 777 791 819 1017 1239 1443 1469 2183 2301 2331 2373 3367 3717 4181 4329 4407 5369 6549 6667 6903 7119 10101 10283 12543 13221 15281 16107 19647 20001 28379 29267 30303 30849 37629 45843 46669 48321 54353 60003 85137 86671 87801 92547 137529 140007 163059 198653 246679 255411 260013 263403 380471 420021 489177 595959 606697 740037 780039 1141413 1726753 1787877 1820091 2220111 3206827 3424239 5180259 5460273 9620481 15540777 22447789 28861443 67343367 202030101