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7991024140111 = 121336711794557
BaseRepresentation
bin111010001001000111000…
…1001111011111101001111
31001021221020012201110212011
41310102032021323331033
52021411104134440421
624555005324122051
71453222012316425
oct164221611737517
931257205643764
107991024140111
112600a7988a911
12a90869996327
1345c72014686c
141d8aa654d115
15dcce8e564e1
hex7448e27bf4f

7991024140111 has 8 divisors (see below), whose sum is σ = 7999795008864. Its totient is φ = 7982256870240.

The previous prime is 7991024140109. The next prime is 7991024140159. The reversal of 7991024140111 is 1110414201997.

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 7991024140111 - 21 = 7991024140109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7991024144111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555645 + ... + 5350201.

It is an arithmetic number, because the mean of its divisors is an integer number (999974376108).

Almost surely, 27991024140111 is an apocalyptic number.

7991024140111 is a deficient number, since it is larger than the sum of its proper divisors (8770868753).

7991024140111 is a wasteful number, since it uses less digits than its factorization.

7991024140111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799441.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 7991024140111 in words is "seven trillion, nine hundred ninety-one billion, twenty-four million, one hundred forty thousand, one hundred eleven".

Divisors: 1 1213 3671 1794557 4452923 2176797641 6587818747 7991024140111