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20341012111 = 731211444253
BaseRepresentation
bin10010111100011010…
…110011011010001111
31221111121012110220221
4102330122303122033
5313124244341421
613202230252211
71320032515210
oct227432633217
957447173827
1020341012111
118698a75512
123b381b7067
131bc2234b54
14dad6d3407
157e0b7b841
hex4bc6b368f

20341012111 has 16 divisors (see below), whose sum is σ = 24110553088. Its totient is φ = 16792725600.

The previous prime is 20341012037. The next prime is 20341012121. The reversal of 20341012111 is 11121014302.

It is not a de Polignac number, because 20341012111 - 29 = 20341011599 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 (20341012121) 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, 176340 + ... + 267913.

It is an arithmetic number, because the mean of its divisors is an integer number (1506909568).

Almost surely, 220341012111 is an apocalyptic number.

20341012111 is a deficient number, since it is larger than the sum of its proper divisors (3769540977).

20341012111 is a wasteful number, since it uses less digits than its factorization.

20341012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444502.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20341012111 its reverse (11121014302), we get a palindrome (31462026413).

The spelling of 20341012111 in words is "twenty billion, three hundred forty-one million, twelve thousand, one hundred eleven".

Divisors: 1 7 31 211 217 1477 6541 45787 444253 3109771 13771843 93737383 96402901 656161681 2905858873 20341012111