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2119968708 = 22311136718439
BaseRepresentation
bin111111001011100…
…0010011111000100
312110202002120100120
41332113002133010
513320202444313
6550210141540
7103351302534
oct17627023704
95422076316
102119968708
11998737960
124b1b818b0
1327a28cc70
141617a74c4
15c61add23
hex7e5c27c4

2119968708 has 96 divisors (see below), whose sum is σ = 5898439680. Its totient is φ = 584115840.

The previous prime is 2119968703. The next prime is 2119968727. The reversal of 2119968708 is 8078699112.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2119968703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105753 + ... + 124191.

It is an arithmetic number, because the mean of its divisors is an integer number (61442080).

Almost surely, 22119968708 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 2119968708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2949219840).

2119968708 is an abundant number, since it is smaller than the sum of its proper divisors (3778470972).

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

2119968708 is a wasteful number, since it uses less digits than its factorization.

2119968708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18537 (or 18535 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 51.

The square root of 2119968708 is about 46043.1179222259. The cubic root of 2119968708 is about 1284.6253371320.

The spelling of 2119968708 in words is "two billion, one hundred nineteen million, nine hundred sixty-eight thousand, seven hundred eight".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 67 78 132 134 143 156 201 268 286 402 429 572 737 804 858 871 1474 1716 1742 2211 2613 2948 3484 4422 5226 8844 9581 10452 18439 19162 28743 36878 38324 55317 57486 73756 110634 114972 202829 221268 239707 405658 479414 608487 719121 811316 958828 1216974 1235413 1438242 2433948 2470826 2636777 2876484 3706239 4941652 5273554 7412478 7910331 10547108 13589543 14824956 15820662 16060369 27179086 31641324 32120738 40768629 48181107 54358172 64241476 81537258 96362214 163074516 176664059 192724428 353328118 529992177 706656236 1059984354 2119968708