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2639127753889 = 111997712924673
BaseRepresentation
bin100110011001111000010…
…001011011010010100001
3100100022001100110202020021
4212121320101123102201
5321214413201111024
65340222030513441
7361446021530224
oct46317021332241
910308040422207
102639127753889
1192827a8a6a70
12367592665881
13161b3a647273
1491a3d52b5bb
15489b2e88de4
hex2667845b4a1

2639127753889 has 16 divisors (see below), whose sum is σ = 3033679481280. Its totient is φ = 2270606376960.

The previous prime is 2639127753883. The next prime is 2639127753923. The reversal of 2639127753889 is 9883577219362.

It is a cyclic number.

It is not a de Polignac number, because 2639127753889 - 27 = 2639127753761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2639127753883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6258144 + ... + 6666529.

It is an arithmetic number, because the mean of its divisors is an integer number (189604967580).

Almost surely, 22639127753889 is an apocalyptic number.

It is an amenable number.

2639127753889 is a deficient number, since it is larger than the sum of its proper divisors (394551727391).

2639127753889 is a wasteful number, since it uses less digits than its factorization.

2639127753889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12925680.

The product of its digits is 274337280, while the sum is 70.

The spelling of 2639127753889 in words is "two trillion, six hundred thirty-nine billion, one hundred twenty-seven million, seven hundred fifty-three thousand, eight hundred eighty-nine".

Divisors: 1 11 19 209 977 10747 18563 204193 12924673 142171403 245568787 2701256657 12627405521 138901460731 239920704899 2639127753889