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20014541111 = 619169919031
BaseRepresentation
bin10010101000111101…
…011010100100110111
31220122211220000220102
4102220331122210313
5311442210303421
613110005024315
71305656535545
oct225075324467
956584800812
1020014541111
118540760a74
123a669b509b
131b6c6c9446
14d7c1ccd95
157c218e60b
hex4a8f5a937

20014541111 has 8 divisors (see below), whose sum is σ = 20059728000. Its totient is φ = 19969396920.

The previous prime is 20014541089. The next prime is 20014541137. The reversal of 20014541111 is 11114541002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20014541111 is a prime.

It is a super-2 number, since 2×200145411112 (a number of 21 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 (20014541411) 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 7 ways as a sum of consecutive naturals, for example, 1042166 + ... + 1061196.

It is an arithmetic number, because the mean of its divisors is an integer number (2507466000).

Almost surely, 220014541111 is an apocalyptic number.

20014541111 is a deficient number, since it is larger than the sum of its proper divisors (45186889).

20014541111 is a wasteful number, since it uses less digits than its factorization.

20014541111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21349.

The product of its (nonzero) digits is 160, while the sum is 20.

The spelling of 20014541111 in words is "twenty billion, fourteen million, five hundred forty-one thousand, one hundred eleven".

Divisors: 1 619 1699 19031 1051681 11780189 32333669 20014541111