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20133013103123 = 171799629687109
BaseRepresentation
bin1001001001111100101010…
…00110000010001000010011
32122021200211022002020201112
410210332111012002020103
510114324402323244443
6110452551210323535
74145363555524304
oct444762506021023
978250738066645
1020133013103123
1164623aa037138
122311ab54295ab
13b306c54a9c0b
144d862b9807ab
1524da8c4cab18
hex124f95182213

20133013103123 has 16 divisors (see below), whose sum is σ = 21438656532000. Its totient is φ = 18840875146752.

The previous prime is 20133013103111. The next prime is 20133013103171. The reversal of 20133013103123 is 32130131033102.

It is a cyclic number.

It is not a de Polignac number, because 20133013103123 - 26 = 20133013103059 is a prime.

It is a super-2 number, since 2×201330131031232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133013103173) 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, 28957493 + ... + 29644601.

It is an arithmetic number, because the mean of its divisors is an integer number (1339916033250).

Almost surely, 220133013103123 is an apocalyptic number.

20133013103123 is a deficient number, since it is larger than the sum of its proper divisors (1305643428877).

20133013103123 is a wasteful number, since it uses less digits than its factorization.

20133013103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696934.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20133013103123 its reverse (32130131033102), we get a palindrome (52263144136225).

The spelling of 20133013103123 in words is "twenty trillion, one hundred thirty-three billion, thirteen million, one hundred three thousand, one hundred twenty-three".

Divisors: 1 17 179 3043 9629 163693 687109 1723591 11680853 29301047 122992511 2090872687 6616172561 112474933537 1184294888419 20133013103123