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212021131232 = 256798890453
BaseRepresentation
bin1100010101110101110…
…0011011011111100000
3202021021010011102110002
43011131130123133200
511433204402144412
6241222352355132
721214036610561
oct3053534333740
9667233142402
10212021131232
1181a10445aa9
1235111545aa8
1316cbb971c91
14a394840168
1557ad9badc2
hex315d71b7e0

212021131232 has 24 divisors (see below), whose sum is σ = 423646704936. Its totient is φ = 104428317312.

The previous prime is 212021131229. The next prime is 212021131243. The reversal of 212021131232 is 232131120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49443083 + ... + 49447370.

It is an arithmetic number, because the mean of its divisors is an integer number (17651946039).

Almost surely, 2212021131232 is an apocalyptic number.

It is an amenable number.

212021131232 is a deficient number, since it is larger than the sum of its proper divisors (211625573704).

212021131232 is an equidigital number, since it uses as much as digits as its factorization.

212021131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98890530 (or 98890522 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212021131232 its reverse (232131120212), we get a palindrome (444152251444).

The spelling of 212021131232 in words is "two hundred twelve billion, twenty-one million, one hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 67 134 268 536 1072 2144 98890453 197780906 395561812 791123624 1582247248 3164494496 6625660351 13251320702 26502641404 53005282808 106010565616 212021131232