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100111101112 = 2311361791951
BaseRepresentation
bin101110100111100010…
…1100010110010111000
3100120101220200212022201
41131033011202302320
53120011420213422
6113553532155544
710142563214311
oct1351705426270
9316356625281
10100111101112
113950311a000
121749b008bb4
13959583c049
144bb9b01608
15290dd83727
hex174f162cb8

100111101112 has 128 divisors (see below), whose sum is σ = 212614963200. Its totient is φ = 44169840000.

The previous prime is 100111101107. The next prime is 100111101127. The reversal of 100111101112 is 211101111001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51311737 + ... + 51313687.

It is an arithmetic number, because the mean of its divisors is an integer number (1661054400).

Almost surely, 2100111101112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100111101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106307481600).

100111101112 is an abundant number, since it is smaller than the sum of its proper divisors (112503862088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100111101112 is a wasteful number, since it uses less digits than its factorization.

100111101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 100111101112 its reverse (211101111001), we get a palindrome (311212212113).

The spelling of 100111101112 in words is "one hundred billion, one hundred eleven million, one hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 61 79 88 121 122 158 242 244 316 484 488 632 671 869 968 1331 1342 1738 1951 2662 2684 3476 3902 4819 5324 5368 6952 7381 7804 9559 9638 10648 14762 15608 19118 19276 21461 29524 38236 38552 42922 53009 59048 76472 81191 85844 105149 106018 119011 154129 162382 171688 210298 212036 236071 238022 308258 324764 420596 424072 472142 476044 583099 616516 649528 841192 944284 952088 1166198 1233032 1309121 1695419 1888568 2332396 2596781 2618242 3390838 4664792 5193562 5236484 6414089 6781676 9401869 10387124 10472968 12828178 13563352 14400331 18649609 18803738 20774248 25656356 28800662 37299218 37607476 51312712 57601324 74598436 75214952 103420559 115202648 149196872 158403641 205145699 206841118 316807282 410291398 413682236 633614564 820582796 827364472 1137626149 1267229128 1641165592 2275252298 4550504596 9101009192 12513887639 25027775278 50055550556 100111101112