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21032030202 = 23191195915427
BaseRepresentation
bin10011100101100110…
…110100111111111010
32000021202110211112120
4103211212310333322
5321033144431302
613354553222110
71343123210211
oct234546647772
960252424476
1021032030202
118a1303a647
1240ab701936
131ca244abb1
1410373b0078
158316779bc
hex4e59b4ffa

21032030202 has 32 divisors (see below), whose sum is σ = 44284531200. Its totient is φ = 6640707888.

The previous prime is 21032030177. The next prime is 21032030237. The reversal of 21032030202 is 20203023012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355613 + ... + 1371039.

It is an arithmetic number, because the mean of its divisors is an integer number (1383891600).

Almost surely, 221032030202 is an apocalyptic number.

21032030202 is an abundant number, since it is smaller than the sum of its proper divisors (23252500998).

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

21032030202 is a wasteful number, since it uses less digits than its factorization.

21032030202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27410.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 21032030202 its reverse (20203023012), we get a palindrome (41235053214).

The spelling of 21032030202 in words is "twenty-one billion, thirty-two million, thirty thousand, two hundred two".

Divisors: 1 2 3 6 19 38 57 114 11959 15427 23918 30854 35877 46281 71754 92562 227221 293113 454442 586226 681663 879339 1363326 1758678 184491493 368982986 553474479 1106948958 3505338367 7010676734 10516015101 21032030202