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212558067382 = 2106279033691
BaseRepresentation
bin1100010111110101110…
…0101011011010110110
3202022122112111121101011
43011331130223122312
511440304331124012
6241351533022434
721233246522233
oct3057534533266
9668575447334
10212558067382
1182166540091
1235241324a1a
1317075c8a18b
14a405c8c78a
1557e0bcd1a7
hex317d72b6b6

212558067382 has 4 divisors (see below), whose sum is σ = 318837101076. Its totient is φ = 106279033690.

The previous prime is 212558067373. The next prime is 212558067383. The reversal of 212558067382 is 283760855212.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212558067383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53139516844 + ... + 53139516847.

It is an arithmetic number, because the mean of its divisors is an integer number (79709275269).

Almost surely, 2212558067382 is an apocalyptic number.

212558067382 is a deficient number, since it is larger than the sum of its proper divisors (106279033694).

212558067382 is a wasteful number, since it uses less digits than its factorization.

212558067382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106279033693.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 212558067382 in words is "two hundred twelve billion, five hundred fifty-eight million, sixty-seven thousand, three hundred eighty-two".

Divisors: 1 2 106279033691 212558067382