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2668942498662 = 232113607183527
BaseRepresentation
bin100110110101101001010…
…111101001101101100110
3100110011000012011201012200
4212311221113221231212
5322211443234424122
65402032324155330
7363552611632326
oct46655127515546
910404005151180
102668942498662
1193998a509000
12371313538b46
131648ac51848b
149326b111286
154965a6bc5ac
hex26d695e9b66

2668942498662 has 96 divisors (see below), whose sum is σ = 6371058530304. Its totient is φ = 807433648560.

The previous prime is 2668942498633. The next prime is 2668942498697.

It is a happy number.

2668942498662 is a `hidden beast` number, since 2 + 6 + 68 + 9 + 424 + 9 + 86 + 62 = 666.

2668942498662 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×26689424986623 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14450743 + ... + 14634269.

It is an arithmetic number, because the mean of its divisors is an integer number (66365193024).

Almost surely, 22668942498662 is an apocalyptic number.

2668942498662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668942498662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3185529265152).

2668942498662 is an abundant number, since it is smaller than the sum of its proper divisors (3702116031642).

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

2668942498662 is a wasteful number, since it uses less digits than its factorization.

2668942498662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184175 (or 184150 counting only the distinct ones).

The product of its digits is 859963392, while the sum is 72.

The spelling of 2668942498662 in words is "two trillion, six hundred sixty-eight billion, nine hundred forty-two million, four hundred ninety-eight thousand, six hundred sixty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 607 726 1089 1214 1331 1821 2178 2662 3642 3993 5463 6677 7986 10926 11979 13354 20031 23958 40062 60093 73447 120186 146894 183527 220341 367054 440682 550581 661023 807917 1101162 1322046 1615834 1651743 2018797 2423751 3303486 4037594 4847502 6056391 7271253 12112782 14542506 18169173 22206767 36338346 44413534 66620301 111400889 133240602 199860903 222801778 244274437 334202667 399721806 488548874 668405334 732823311 1002608001 1225409779 1465646622 2005216002 2198469933 2450819558 3676229337 4396939866 7352458674 11028688011 13479507569 22057376022 26959015138 40438522707 80877045414 121315568121 148274583259 242631136242 296549166518 444823749777 889647499554 1334471249331 2668942498662