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212431411234400 = 2552367723540229
BaseRepresentation
bin110000010011010010001010…
…110011100100011001100000
31000212011020121022001120101112
4300103102022303210121200
5210320434012234000100
62031445350523322452
762513443255323101
oct6023221263443140
91025136538046345
10212431411234400
11617617236258a6
121b9aa769980428
13916c271b65017
143a65a414083a8
151985c66345b35
hexc1348ace4660

212431411234400 has 72 divisors (see below), whose sum is σ = 520011257461920. Its totient is φ = 84741031503360.

The previous prime is 212431411234379. The next prime is 212431411234457. The reversal of 212431411234400 is 4432114134212.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361476515 + ... + 362063714.

It is an arithmetic number, because the mean of its divisors is an integer number (7222378575860).

Almost surely, 2212431411234400 is an apocalyptic number.

212431411234400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212431411234400 is an abundant number, since it is smaller than the sum of its proper divisors (307579846227520).

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

212431411234400 is a wasteful number, since it uses less digits than its factorization.

212431411234400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723540616 (or 723540603 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 212431411234400 its reverse (4432114134212), we get a palindrome (216863525368612).

The spelling of 212431411234400 in words is "two hundred twelve trillion, four hundred thirty-one billion, four hundred eleven million, two hundred thirty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 367 400 734 800 1468 1835 2936 3670 5872 7340 9175 11744 14680 18350 29360 36700 58720 73400 146800 293600 723540229 1447080458 2894160916 3617701145 5788321832 7235402290 11576643664 14470804580 18088505725 23153287328 28941609160 36177011450 57883218320 72354022900 115766436640 144708045800 265539264043 289416091600 531078528086 578832183200 1062157056172 1327696320215 2124314112344 2655392640430 4248628224688 5310785280860 6638481601075 8497256449376 10621570561720 13276963202150 21243141123440 26553926404300 42486282246880 53107852808600 106215705617200 212431411234400