Search a number
-
+
101010100101111 = 321723929140921929
BaseRepresentation
bin10110111101111000111111…
…001000101001111111110111
3111020122110201112212020210200
4112331320333020221333313
5101214422141111213421
6554455222133251543
730163511305266225
oct2675707710517767
9436573645766720
10101010100101111
112a2041631a7573
12b3b4526193bb3
134449299a79776
141ad2cb47d7b15
15ba2787ab8726
hex5bde3f229ff7

101010100101111 has 96 divisors (see below), whose sum is σ = 161498239344000. Its totient is φ = 60512287064064.

The previous prime is 101010100101089. The next prime is 101010100101149. The reversal of 101010100101111 is 111101001010101.

It is not a de Polignac number, because 101010100101111 - 29 = 101010100100599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101010100101093 and 101010100101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010100101011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4606222795 + ... + 4606244723.

It is an arithmetic number, because the mean of its divisors is an integer number (1682273326500).

Almost surely, 2101010100101111 is an apocalyptic number.

101010100101111 is a deficient number, since it is larger than the sum of its proper divisors (60488139242889).

101010100101111 is a wasteful number, since it uses less digits than its factorization.

101010100101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24313 (or 24310 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 101010100101111 its reverse (111101001010101), we get a palindrome (212111101111212).

The spelling of 101010100101111 in words is "one hundred one trillion, ten billion, one hundred million, one hundred one thousand, one hundred eleven".

Divisors: 1 3 9 17 23 51 69 153 207 391 929 1173 1409 2787 3519 4227 8361 12681 15793 21367 21929 23953 32407 47379 64101 65787 71859 97221 142137 192303 197361 215577 291663 363239 372793 504367 550919 1089717 1118379 1308961 1513101 1652757 3269151 3355137 3926883 4539303 4958271 8574239 11780649 20372041 22252337 25722717 30106103 30897961 61116123 66757011 77168151 90318309 92693883 183348369 200271033 270954927 278081649 346324697 468556943 511803751 525265337 710653103 1038974091 1405670829 1535411253 1575796011 2131959309 3116922273 4217012487 4606233759 4727388033 6395877927 7965468031 12081102751 23896404093 28704205769 36243308253 71689212279 86112617307 108729924759 258337851921 487971498073 660196732687 1463914494219 1980590198061 4391743482657 5941770594183 11223344455679 33670033367037 101010100101111