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2108492112 = 243711394451
BaseRepresentation
bin111110110101101…
…0000100101010000
312102221111111102110
41331223100211100
513304233221422
6545120145320
7103151613216
oct17553204520
95387444373
102108492112
11992209371
124aa168240
13277aa228c
1416005acb6
15c519360c
hex7dad0950

2108492112 has 80 divisors (see below), whose sum is σ = 5564643840. Its totient is φ = 687792000.

The previous prime is 2108492107. The next prime is 2108492119. The reversal of 2108492112 is 2112948012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2108492112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108492119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471487 + ... + 475937.

It is an arithmetic number, because the mean of its divisors is an integer number (69558048).

Almost surely, 22108492112 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 2108492112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782321920).

2108492112 is an abundant number, since it is smaller than the sum of its proper divisors (3456151728).

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

2108492112 is a wasteful number, since it uses less digits than its factorization.

2108492112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672 (or 4666 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 2108492112 is about 45918.3200041116. The cubic root of 2108492112 is about 1282.3030055867.

The spelling of 2108492112 in words is "two billion, one hundred eight million, four hundred ninety-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 139 142 213 278 284 417 426 556 568 834 852 1112 1136 1668 1704 2224 3336 3408 4451 6672 8902 9869 13353 17804 19738 26706 29607 35608 39476 53412 59214 71216 78952 106824 118428 157904 213648 236856 316021 473712 618689 632042 948063 1237378 1264084 1856067 1896126 2474756 2528168 3712134 3792252 4949512 5056336 7424268 7584504 9899024 14848536 15169008 29697072 43926919 87853838 131780757 175707676 263561514 351415352 527123028 702830704 1054246056 2108492112