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12840002482 = 26420001241
BaseRepresentation
bin10111111010101001…
…01110001110110010
31020010211201201010111
423331110232032302
5202244020034412
65522033451534
7633121135366
oct137524561662
936124651114
1012840002482
1154999349aa
1225a4110baa
1312981b2408
1489b3db2a6
1550239a2a7
hex2fd52e3b2

12840002482 has 4 divisors (see below), whose sum is σ = 19260003726. Its totient is φ = 6420001240.

The previous prime is 12840002477. The next prime is 12840002489. The reversal of 12840002482 is 28420004821.

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

It can be written as a sum of positive squares in only one way, i.e., 11483479921 + 1356522561 = 107161^2 + 36831^2 .

It is not an unprimeable number, because it can be changed into a prime (12840002489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3210000619 + ... + 3210000622.

Almost surely, 212840002482 is an apocalyptic number.

12840002482 is a deficient number, since it is larger than the sum of its proper divisors (6420001244).

12840002482 is an equidigital number, since it uses as much as digits as its factorization.

12840002482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420001243.

The product of its (nonzero) digits is 8192, while the sum is 31.

The spelling of 12840002482 in words is "twelve billion, eight hundred forty million, two thousand, four hundred eighty-two".

Divisors: 1 2 6420001241 12840002482