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212523141052 = 2292935717291
BaseRepresentation
bin1100010111101101011…
…1011100011110111100
3202022120002210011110101
43011323113130132330
511440221411003202
6241344244250444
721232343615215
oct3057327343674
9668502704411
10212523141052
1182148855452
12352316a0a24
131706b97bb01
14a40139a40c
1557dcace887
hex317b5dc7bc

212523141052 has 12 divisors (see below), whose sum is σ = 371955582936. Its totient is φ = 106250117360.

The previous prime is 212523141031. The next prime is 212523141151. The reversal of 212523141052 is 250141325212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212523141052.

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, 2821474 + ... + 2895817.

It is an arithmetic number, because the mean of its divisors is an integer number (30996298578).

Almost surely, 2212523141052 is an apocalyptic number.

It is an amenable number.

212523141052 is a deficient number, since it is larger than the sum of its proper divisors (159432441884).

212523141052 is a wasteful number, since it uses less digits than its factorization.

212523141052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726588 (or 5726586 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 212523141052 its reverse (250141325212), we get a palindrome (462664466264).

The spelling of 212523141052 in words is "two hundred twelve billion, five hundred twenty-three million, one hundred forty-one thousand, fifty-two".

Divisors: 1 2 4 9293 18586 37172 5717291 11434582 22869164 53130785263 106261570526 212523141052