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20031110132023 = 1929157509454921
BaseRepresentation
bin1001000110111110110110…
…01101000011000100110111
32121220221210111122221212201
410203133123031003010313
510111142203143211043
6110334055344125331
74135125403543144
oct443373315030467
977827714587781
1020031110132023
116423167506751
1222b61b6306847
13b23c05666493
144d3721cc13cb
1524b0c6197c4d
hex1237db343137

20031110132023 has 32 divisors (see below), whose sum is σ = 21994568856000. Its totient is φ = 18169956080640.

The previous prime is 20031110131969. The next prime is 20031110132027. The reversal of 20031110132023 is 32023101113002.

It is a cyclic number.

It is not a de Polignac number, because 20031110132023 - 29 = 20031110131511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031110132027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43804603 + ... + 44259523.

It is an arithmetic number, because the mean of its divisors is an integer number (687330276750).

Almost surely, 220031110132023 is an apocalyptic number.

20031110132023 is a deficient number, since it is larger than the sum of its proper divisors (1963458723977).

20031110132023 is a wasteful number, since it uses less digits than its factorization.

20031110132023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455635.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20031110132023 its reverse (32023101113002), we get a palindrome (52054211245025).

The spelling of 20031110132023 in words is "twenty trillion, thirty-one billion, one hundred ten million, one hundred thirty-two thousand, twenty-three".

Divisors: 1 19 29 157 509 551 2983 4553 9671 14761 79913 86507 280459 454921 1518347 2317477 8643499 13192709 44032063 71422597 231554789 250661471 1357029343 2071255313 4399540991 6715088881 36354101873 39353850947 127586688739 690727935587 1054268954317 20031110132023