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20614455113 = 731107887827
BaseRepresentation
bin10011001100101101…
…111001111101001001
31222012122201211012112
4103030231321331021
5314204300030423
613245315152105
71326562656140
oct231455717511
958178654175
1020614455113
11881936026a
123bb38a5635
131c36a94b45
14dd7b52757
15809b91a78
hex4ccb79f49

20614455113 has 16 divisors (see below), whose sum is σ = 24546668544. Its totient is φ = 16939720080.

The previous prime is 20614455109. The next prime is 20614455151. The reversal of 20614455113 is 31155441602.

It is a cyclic number.

It is not a de Polignac number, because 20614455113 - 22 = 20614455109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20614455113.

It is not an unprimeable number, because it can be changed into a prime (20614451113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420695 + ... + 467132.

It is an arithmetic number, because the mean of its divisors is an integer number (1534166784).

Almost surely, 220614455113 is an apocalyptic number.

It is an amenable number.

20614455113 is a deficient number, since it is larger than the sum of its proper divisors (3932213431).

20614455113 is a wasteful number, since it uses less digits than its factorization.

20614455113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887972.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 20614455113 its reverse (31155441602), we get a palindrome (51769896715).

The spelling of 20614455113 in words is "twenty billion, six hundred fourteen million, four hundred fifty-five thousand, one hundred thirteen".

Divisors: 1 7 31 107 217 749 3317 23219 887827 6214789 27522637 94997489 192658459 664982423 2944922159 20614455113