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100010111001111 = 32371635527333367
BaseRepresentation
bin10110101111010101101011…
…001000111110001000010111
3111010002212120120221121022100
4112233111223020332020113
5101102031201404013421
6552412002152333143
730031330532215503
oct2657255310761027
9433085516847270
10100010111001111
1129959060446a43
12b2727679a41b3
1343a5bb3b2933c
141a9a72d9cb303
15b8675c2a6c26
hex5af56b23e217

100010111001111 has 48 divisors (see below), whose sum is σ = 149301008356864. Its totient is φ = 64461580615872.

The previous prime is 100010111001103. The next prime is 100010111001113. The reversal of 100010111001111 is 111100111010001.

It is not a de Polignac number, because 100010111001111 - 23 = 100010111001103 is a prime.

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

It is a Duffinian number.

100010111001111 is a modest number, since divided by 11001111 gives 1000101 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 100010111001093 and 100010111001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010111001113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 299833350 + ... + 300166716.

Almost surely, 2100010111001111 is an apocalyptic number.

100010111001111 is a deficient number, since it is larger than the sum of its proper divisors (49290897355753).

100010111001111 is a wasteful number, since it uses less digits than its factorization.

100010111001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339100 (or 339097 counting only the distinct ones).

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

Adding to 100010111001111 its reverse (111100111010001), we get a palindrome (211110222011112).

The spelling of 100010111001111 in words is "one hundred trillion, ten billion, one hundred eleven million, one thousand, one hundred eleven".

Divisors: 1 3 9 37 111 163 333 489 1467 5527 6031 16581 18093 49743 54279 204499 333367 613497 900901 1000101 1840491 2702703 3000303 8108109 12334579 33333337 37003737 54338821 100000011 111011211 163016463 300000033 489049389 1842519409 2010536377 5527558227 6031609131 16582674681 18094827393 68173218133 204519654399 300330663667 613558963197 900991991001 2702975973003 11112234555679 33336703667037 100010111001111