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2115216641406 = 2311176130905243
BaseRepresentation
bin11110110001111100101…
…111001000110101111110
321111012202002021200001010
4132301330233020311332
5234123430430011111
64255414521300050
7305551016540421
oct36617457106576
97435662250033
102115216641406
11746070717890
122a1b39934626
1312460575292b
147453c8099b8
153a04d071aa6
hex1ec7cbc8d7e

2115216641406 has 64 divisors (see below), whose sum is σ = 4966596331776. Its totient is φ = 593380646400.

The previous prime is 2115216641357. The next prime is 2115216641443. The reversal of 2115216641406 is 6041466125112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15384180 + ... + 15521063.

It is an arithmetic number, because the mean of its divisors is an integer number (77603067684).

Almost surely, 22115216641406 is an apocalyptic number.

2115216641406 is an abundant number, since it is smaller than the sum of its proper divisors (2851379690370).

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

2115216641406 is a wasteful number, since it uses less digits than its factorization.

2115216641406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30905337.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 2115216641406 in words is "two trillion, one hundred fifteen billion, two hundred sixteen million, six hundred forty-one thousand, four hundred six".

Divisors: 1 2 3 6 11 17 22 33 34 51 61 66 102 122 183 187 366 374 561 671 1037 1122 1342 2013 2074 3111 4026 6222 11407 22814 34221 68442 30905243 61810486 92715729 185431458 339957673 525389131 679915346 1019873019 1050778262 1576167393 1885219823 2039746038 3152334786 3770439646 5655659469 5779280441 11311318938 11558560882 17337841323 20737418053 32048736991 34675682646 41474836106 62212254159 64097473982 96146210973 124424508318 192292421946 352536106901 705072213802 1057608320703 2115216641406