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7999460649997 = 19794042173143
BaseRepresentation
bin111010001101000010100…
…0000101010110000001101
31001022202000011111120202021
41310122011000222300031
52022030343411244442
625002522415530141
71453641043422235
oct164320500526015
931282004446667
107999460649997
112604608a9a633
12a92423229951
13460465c4234b
141d9266ba2cc5
15dd13e927e67
hex7468502ac0d

7999460649997 has 4 divisors (see below), whose sum is σ = 8003502825120. Its totient is φ = 7995418474876.

The previous prime is 7999460649931. The next prime is 7999460650019.

7999460649997 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7999460649997 - 211 = 7999460647949 is a prime.

It is a super-2 number, since 2×79994606499972 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7999460649097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021084593 + ... + 2021088550.

It is an arithmetic number, because the mean of its divisors is an integer number (2000875706280).

Almost surely, 27999460649997 is an apocalyptic number.

It is an amenable number.

7999460649997 is a deficient number, since it is larger than the sum of its proper divisors (4042175123).

7999460649997 is a wasteful number, since it uses less digits than its factorization.

7999460649997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042175122.

The product of its (nonzero) digits is 14999390784, while the sum is 88.

The spelling of 7999460649997 in words is "seven trillion, nine hundred ninety-nine billion, four hundred sixty million, six hundred forty-nine thousand, nine hundred ninety-seven".

Divisors: 1 1979 4042173143 7999460649997