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23110201020021 = 31729107193756649
BaseRepresentation
bin1010100000100110000110…
…10100101000111001110101
310000211022110122101122002220
411100103003110220321311
511012114142430120041
6121052402455552553
74603441216342443
oct520230324507165
9100738418348086
1023110201020021
1173aaa87aa3175
122712ab368b759
13cb8389b6419b
1459c77ad03b93
152a123917dd66
hex1504c3528e75

23110201020021 has 64 divisors (see below), whose sum is σ = 34243194528000. Its totient is φ = 13797772886016.

The previous prime is 23110201019993. The next prime is 23110201020029. The reversal of 23110201020021 is 12002010201132.

It is not a de Polignac number, because 23110201020021 - 221 = 23110198922869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110201020029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30164505 + ... + 30921153.

It is an arithmetic number, because the mean of its divisors is an integer number (535049914500).

Almost surely, 223110201020021 is an apocalyptic number.

It is an amenable number.

23110201020021 is a deficient number, since it is larger than the sum of its proper divisors (11132993507979).

23110201020021 is a wasteful number, since it uses less digits than its factorization.

23110201020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756998.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23110201020021 its reverse (12002010201132), we get a palindrome (35112211221153).

The spelling of 23110201020021 in words is "twenty-three trillion, one hundred ten billion, two hundred one million, twenty thousand, twenty-one".

Divisors: 1 3 17 29 51 87 107 193 321 493 579 1479 1819 3103 3281 5457 5597 9309 9843 16791 20651 52751 61953 95149 158253 285447 351067 598879 756649 1053201 1796637 2269947 10180943 12863033 21942821 30542829 38589099 65828463 80961443 146033257 242884329 373027957 438099771 1119083871 1376344531 2347881847 2482565369 4129033593 4234964453 7043645541 7447696107 12704893359 15625558499 39913991399 46876675497 71994395701 119741974197 215983187103 265634494483 453141196471 796903483449 1359423589413 7703400340007 23110201020021