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210242415231442 = 21110477912138343
BaseRepresentation
bin101111110011011011100000…
…011110100000000111010010
31000120101222102101220000002001
4233303123200132200013102
5210024102431244401232
62023052010542144214
762166341020312036
oct5763334036400722
91016358371800061
10210242415231442
1160a98342431750
121b6b647b58206a
139040a0bca8549
1439cbb040a81c6
151948d4aec26e7
hexbf36e07a01d2

210242415231442 has 16 divisors (see below), whose sum is σ = 344065880463552. Its totient is φ = 95555612707920.

The previous prime is 210242415231323. The next prime is 210242415231503. The reversal of 210242415231442 is 244132514242012.

210242415231442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 455838678 + ... + 456299665.

It is an arithmetic number, because the mean of its divisors is an integer number (21504117528972).

Almost surely, 2210242415231442 is an apocalyptic number.

210242415231442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210242415231442 is a deficient number, since it is larger than the sum of its proper divisors (133823465232110).

210242415231442 is a wasteful number, since it uses less digits than its factorization.

210242415231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912148833.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 210242415231442 its reverse (244132514242012), we get a palindrome (454374929473454).

The spelling of 210242415231442 in words is "two hundred ten trillion, two hundred forty-two billion, four hundred fifteen million, two hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 11 22 10477 20954 115247 230494 912138343 1824276686 10033521773 20067043546 9556473419611 19112946839222 105121207615721 210242415231442