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2828798978282 = 27878117953561
BaseRepresentation
bin101001001010100001100…
…011101110100011101010
3101000102121212100021020222
4221022201203232203222
5332321340014301112
610003310551250042
7411242163403634
oct51124143564352
911012555307228
102828798978282
119a0761305182
123982a7079922
131769a6b145a4
149acb3945a54
154d8b475a372
hex292a18ee8ea

2828798978282 has 8 divisors (see below), whose sum is σ = 4243252564452. Its totient is φ = 1414381456800.

The previous prime is 2828798978279. The next prime is 2828798978347.

2828798978282 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 2794510679041 + 34288299241 = 1671679^2 + 185171^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2828798978197 and 2828798978206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8819219 + ... + 9134342.

Almost surely, 22828798978282 is an apocalyptic number.

2828798978282 is a deficient number, since it is larger than the sum of its proper divisors (1414453586170).

2828798978282 is a wasteful number, since it uses less digits than its factorization.

2828798978282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032344.

The product of its digits is 2080899072, while the sum is 80.

The spelling of 2828798978282 in words is "two trillion, eight hundred twenty-eight billion, seven hundred ninety-eight million, nine hundred seventy-eight thousand, two hundred eighty-two".

Divisors: 1 2 78781 157562 17953561 35907122 1414399489141 2828798978282