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2668074898 = 21334037449
BaseRepresentation
bin1001111100000111…
…1001011110010010
320212221110020200211
42133001321132102
520431011344043
61120430034334
7123055156006
oct23701713622
96787406624
102668074898
11114a071185
126256489aa
133369b9458
141b44c2706
1510937aa9d
hex9f079792

2668074898 has 4 divisors (see below), whose sum is σ = 4002112350. Its totient is φ = 1334037448.

The previous prime is 2668074889. The next prime is 2668074901. The reversal of 2668074898 is 8984708662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8984708662 = 24492354331.

It can be written as a sum of positive squares in only one way, i.e., 1394798409 + 1273276489 = 37347^2 + 35683^2 .

It is a super-2 number, since 2×26680748982 = 14237247322675420808, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 667018723 + ... + 667018726.

Almost surely, 22668074898 is an apocalyptic number.

2668074898 is a deficient number, since it is larger than the sum of its proper divisors (1334037452).

2668074898 is a wasteful number, since it uses less digits than its factorization.

2668074898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334037451.

The product of its (nonzero) digits is 9289728, while the sum is 58.

The square root of 2668074898 is about 51653.4112910270. The cubic root of 2668074898 is about 1386.9666090126.

The spelling of 2668074898 in words is "two billion, six hundred sixty-eight million, seventy-four thousand, eight hundred ninety-eight".

Divisors: 1 2 1334037449 2668074898