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2660630342 = 21330315171
BaseRepresentation
bin1001111010010101…
…1111111101000110
320212102110000200112
42132211133331012
520422110132332
61120002313022
7122634661526
oct23645377506
96772400615
102660630342
111145946a57
12623058772
133352b0aa6
141b3505686
151088a9db2
hex9e95ff46

2660630342 has 4 divisors (see below), whose sum is σ = 3990945516. Its totient is φ = 1330315170.

The previous prime is 2660630341. The next prime is 2660630359. The reversal of 2660630342 is 2430360662.

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

It is a junction number, because it is equal to n+sod(n) for n = 2660630299 and 2660630308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660630341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665157584 + ... + 665157587.

It is an arithmetic number, because the mean of its divisors is an integer number (997736379).

Almost surely, 22660630342 is an apocalyptic number.

2660630342 is a deficient number, since it is larger than the sum of its proper divisors (1330315174).

2660630342 is a wasteful number, since it uses less digits than its factorization.

2660630342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330315173.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 2660630342 is about 51581.2983745078. The cubic root of 2660630342 is about 1385.6754197613.

The spelling of 2660630342 in words is "two billion, six hundred sixty million, six hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 1330315171 2660630342