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11107123872 = 2531310783177
BaseRepresentation
bin10100101100000100…
…10100001010100000
31001200002000100120020
422112002110022200
5140221410430442
65034052113440
7542146665225
oct122602241240
931602010506
1011107123872
11478a755619
12219b905880
131080193860
147751d794c
1545019e9ec
hex2960942a0

11107123872 has 96 divisors (see below), whose sum is σ = 31692814272. Its totient is φ = 3385595904.

The previous prime is 11107123849. The next prime is 11107123879. The reversal of 11107123872 is 27832170111.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (11107123879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91948 + ... + 175124.

It is an arithmetic number, because the mean of its divisors is an integer number (330133482).

Almost surely, 211107123872 is an apocalyptic number.

11107123872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11107123872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15846407136).

11107123872 is an abundant number, since it is smaller than the sum of its proper divisors (20585690400).

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

11107123872 is a wasteful number, since it uses less digits than its factorization.

11107123872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83310 (or 83302 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 33.

Adding to 11107123872 its reverse (27832170111), we get a palindrome (38939293983).

The spelling of 11107123872 in words is "eleven billion, one hundred seven million, one hundred twenty-three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 107 156 208 214 312 321 416 428 624 642 856 1248 1284 1391 1712 2568 2782 3424 4173 5136 5564 8346 10272 11128 16692 22256 33384 44512 66768 83177 133536 166354 249531 332708 499062 665416 998124 1081301 1330832 1996248 2162602 2661664 3243903 3992496 4325204 6487806 7984992 8650408 8899939 12975612 17300816 17799878 25951224 26699817 34601632 35599756 51902448 53399634 71199512 103804896 106799268 115699207 142399024 213598536 231398414 284798048 347097621 427197072 462796828 694195242 854394144 925593656 1388390484 1851187312 2776780968 3702374624 5553561936 11107123872