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21230232310010 = 259721886837433
BaseRepresentation
bin1001101001111000011000…
…11101001001000011111010
32210011120221101121002102202
410310330030131021003322
510240314003432410020
6113053011210030202
74320555643100303
oct464741435110372
983146841532382
1021230232310010
1168457667390a9
12246a689a18362
13bb0005121379
145357979c37aa
1526c3a8c87e75
hex134f0c7490fa

21230232310010 has 16 divisors (see below), whose sum is σ = 38608381233576. Its totient is φ = 8404545573888.

The previous prime is 21230232309989. The next prime is 21230232310051. The reversal of 21230232310010 is 1001323203212.

It can be written as a sum of positive squares in 4 ways, for example, as 11153055065161 + 10077177244849 = 3339619^2 + 3174457^2 .

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, 10943417747 + ... + 10943419686.

Almost surely, 221230232310010 is an apocalyptic number.

21230232310010 is a deficient number, since it is larger than the sum of its proper divisors (17378148923566).

21230232310010 is a wasteful number, since it uses less digits than its factorization.

21230232310010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21886837537.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21230232310010 its reverse (1001323203212), we get a palindrome (22231555513222).

The spelling of 21230232310010 in words is "twenty-one trillion, two hundred thirty billion, two hundred thirty-two million, three hundred ten thousand, ten".

Divisors: 1 2 5 10 97 194 485 970 21886837433 43773674866 109434187165 218868374330 2123023231001 4246046462002 10615116155005 21230232310010