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213323013232 = 2473712351307
BaseRepresentation
bin1100011010101100001…
…0101101110001110000
3202101121211212212210221
43012223002231301300
511443341142410412
6241555500302424
721261225460120
oct3065302556160
9671554785727
10213323013232
118251930923a
1235415541a14
13171685b8764
14a4796d0c80
155837e2db07
hex31ab0adc70

213323013232 has 40 divisors (see below), whose sum is σ = 472380031616. Its totient is φ = 91419903936.

The previous prime is 213323013193. The next prime is 213323013289. The reversal of 213323013232 is 232310323312.

It is a junction number, because it is equal to n+sod(n) for n = 213323013197 and 213323013206.

It is a congruent number.

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, 4132123 + ... + 4183429.

Almost surely, 2213323013232 is an apocalyptic number.

It is an amenable number.

213323013232 is an abundant number, since it is smaller than the sum of its proper divisors (259057018384).

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

213323013232 is a wasteful number, since it uses less digits than its factorization.

213323013232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88445 (or 88439 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213323013232 its reverse (232310323312), we get a palindrome (445633336544).

It can be divided in two parts, 21332 and 3013232, that added together give a square (3034564 = 17422).

The spelling of 213323013232 in words is "two hundred thirteen billion, three hundred twenty-three million, thirteen thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 37123 51307 74246 102614 148492 205228 259861 296984 359149 410456 519722 593968 718298 820912 1039444 1436596 2078888 2873192 4157776 5746384 1904669761 3809339522 7618679044 13332688327 15237358088 26665376654 30474716176 53330753308 106661506616 213323013232