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212323246025 = 52112713284587
BaseRepresentation
bin1100010110111101110…
…0111001111111001001
3202022001011122110000212
43011233130321333021
511434314222333100
6241312344010505
721224365545662
oct3055734717711
9668034573025
10212323246025
1182055a34350
1235196760a35
1317039430527
14a3c2a04369
1557ca296635
hex316f739fc9

212323246025 has 24 divisors (see below), whose sum is σ = 287322321504. Its totient is φ = 154359446400.

The previous prime is 212323246021. The next prime is 212323246127. The reversal of 212323246025 is 520642323212.

It is not a de Polignac number, because 212323246025 - 22 = 212323246021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212323245982 and 212323246000.

It is not an unprimeable number, because it can be changed into a prime (212323246021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 603782 + ... + 888368.

It is an arithmetic number, because the mean of its divisors is an integer number (11971763396).

Almost surely, 2212323246025 is an apocalyptic number.

212323246025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212323246025 is a deficient number, since it is larger than the sum of its proper divisors (74999075479).

212323246025 is a wasteful number, since it uses less digits than its factorization.

212323246025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287321 (or 287316 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 212323246025 its reverse (520642323212), we get a palindrome (732965569237).

The spelling of 212323246025 in words is "two hundred twelve billion, three hundred twenty-three million, two hundred forty-six thousand, twenty-five".

Divisors: 1 5 11 25 55 275 2713 13565 29843 67825 149215 284587 746075 1422935 3130457 7114675 15652285 78261425 772084531 3860422655 8492929841 19302113275 42464649205 212323246025