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14979777289 = 193472272073
BaseRepresentation
bin11011111001101110…
…10100001100001001
31102122222002112100021
431330313110030021
5221134310333124
610514232340441
71040133002041
oct157467241411
942588075307
1014979777289
11639776a434
122aa0844721
1315495b8459
14a2167c721
155ca16c7e4
hex37cdd4309

14979777289 has 8 divisors (see below), whose sum is σ = 15813635040. Its totient is φ = 14150464416.

The previous prime is 14979777283. The next prime is 14979777347. The reversal of 14979777289 is 98277797941.

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 14979777289 - 223 = 14971388681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14979777283) 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, 1129444 + ... + 1142629.

It is an arithmetic number, because the mean of its divisors is an integer number (1976704380).

Almost surely, 214979777289 is an apocalyptic number.

14979777289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14979777289 is a deficient number, since it is larger than the sum of its proper divisors (833857751).

14979777289 is a wasteful number, since it uses less digits than its factorization.

14979777289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272439.

The product of its digits is 112021056, while the sum is 70.

The spelling of 14979777289 in words is "fourteen billion, nine hundred seventy-nine million, seven hundred seventy-seven thousand, two hundred eighty-nine".

Divisors: 1 19 347 6593 2272073 43169387 788409331 14979777289