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212252142023 = 17233737938711
BaseRepresentation
bin1100010110101100110…
…1101010100111000111
3202021212012211222200022
43011223031222213013
511434143022021043
6241301324005355
721222543303455
oct3055315524707
9667765758608
10212252142023
1182019889909
123517699085b
131702779635c
14a3b73b59d5
1557c3ded868
hex316b36a9c7

212252142023 has 32 divisors (see below), whose sum is σ = 241488552960. Its totient is φ = 185421519360.

The previous prime is 212252142017. The next prime is 212252142031. The reversal of 212252142023 is 320241252212.

It is a cyclic number.

It is not a de Polignac number, because 212252142023 - 24 = 212252142007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212252141983 and 212252142001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212255142023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5463638 + ... + 5502348.

It is an arithmetic number, because the mean of its divisors is an integer number (7546517280).

Almost surely, 2212252142023 is an apocalyptic number.

212252142023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212252142023 is a deficient number, since it is larger than the sum of its proper divisors (29236410937).

212252142023 is a wasteful number, since it uses less digits than its factorization.

212252142023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39167.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 212252142023 its reverse (320241252212), we get a palindrome (532493394235).

The spelling of 212252142023 in words is "two hundred twelve billion, two hundred fifty-two million, one hundred forty-two thousand, twenty-three".

Divisors: 1 17 23 37 379 391 629 851 6443 8717 14023 14467 38711 148189 238391 322529 658087 890353 1432307 5482993 14671469 15136001 24349219 32943061 249414973 337443787 542844353 560032037 5736544379 9228354001 12485420119 212252142023