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212111020062 = 23319206735887
BaseRepresentation
bin1100010110001011001…
…1010101000000011110
3202021111101022020202000
43011202303111000132
511433400410120222
6241235323143130
721216210631254
oct3054263250036
9667441266660
10212111020062
1181a57160897
1235137674aa6
1317004485436
14a3a275c5d4
1557b68249ac
hex3162cd501e

212111020062 has 32 divisors (see below), whose sum is σ = 496166131200. Its totient is φ = 66982427064.

The previous prime is 212111020021. The next prime is 212111020063. The reversal of 212111020062 is 260020111212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111020063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103366918 + ... + 103368969.

It is an arithmetic number, because the mean of its divisors is an integer number (15505191600).

Almost surely, 2212111020062 is an apocalyptic number.

212111020062 is an abundant number, since it is smaller than the sum of its proper divisors (284055111138).

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

212111020062 is a wasteful number, since it uses less digits than its factorization.

212111020062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206735917 (or 206735911 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 212111020062 its reverse (260020111212), we get a palindrome (472131131274).

The spelling of 212111020062 in words is "two hundred twelve billion, one hundred eleven million, twenty thousand, sixty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 206735887 413471774 620207661 1240415322 1860622983 3721245966 3927981853 5581868949 7855963706 11163737898 11783945559 23567891118 35351836677 70703673354 106055510031 212111020062