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2002610045 = 52797143197
BaseRepresentation
bin111011101011101…
…0110011101111101
312011120021010112102
41313113112131331
513100132010140
6530414514445
7100424622152
oct16727263575
95146233472
102002610045
1193846a627
1247a805a25
1325bb7c377
1414dd78229
15bac2ae15
hex775d677d

2002610045 has 8 divisors (see below), whose sum is σ = 2404008024. Its totient is φ = 1601504064.

The previous prime is 2002610017. The next prime is 2002610087. The reversal of 2002610045 is 5400162002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12201049 + 1990408996 = 3493^2 + 44614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002610045 - 212 = 2002605949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002609999 and 2002610026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57614 + ... + 85583.

It is an arithmetic number, because the mean of its divisors is an integer number (300501003).

Almost surely, 22002610045 is an apocalyptic number.

It is an amenable number.

2002610045 is a deficient number, since it is larger than the sum of its proper divisors (401397979).

2002610045 is a wasteful number, since it uses less digits than its factorization.

2002610045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145999.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2002610045 is about 44750.5312258972. The cubic root of 2002610045 is about 1260.4688867569.

Adding to 2002610045 its reverse (5400162002), we get a palindrome (7402772047).

The spelling of 2002610045 in words is "two billion, two million, six hundred ten thousand, forty-five".

Divisors: 1 5 2797 13985 143197 715985 400522009 2002610045