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68900110213311 = 32131985329662511
BaseRepresentation
bin11111010101010000011101…
…00110000010000010111111
3100000221210020010221102022100
433222220032212002002333
533012324411203311221
6402312135040120143
720340603650506056
oct1752501646020277
9300853203842270
1068900110213311
111aa54410aa2013
127889377606053
132c5a338a09c10
141302ad6c8b39d
157e73b3a65926
hex3eaa0e9820bf

68900110213311 has 24 divisors (see below), whose sum is σ = 107183351411136. Its totient is φ = 42397930693440.

The previous prime is 68900110213307. The next prime is 68900110213409. The reversal of 68900110213311 is 11331201100986.

It is a happy number.

68900110213311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68900110213311 - 22 = 68900110213307 is a prime.

It is a super-3 number, since 3×689001102133113 (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68900110215311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12508455 + ... + 17154056.

It is an arithmetic number, because the mean of its divisors is an integer number (4465972975464).

Almost surely, 268900110213311 is an apocalyptic number.

68900110213311 is a deficient number, since it is larger than the sum of its proper divisors (38283241197825).

68900110213311 is a wasteful number, since it uses less digits than its factorization.

68900110213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29682383 (or 29682380 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 68900110213311 in words is "sixty-eight trillion, nine hundred billion, one hundred ten million, two hundred thirteen thousand, three hundred eleven".

Divisors: 1 3 9 13 39 117 19853 59559 178677 258089 774267 2322801 29662511 88987533 266962599 385612643 1156837929 3470513787 588889830883 1766669492649 5300008477947 7655567801479 22966703404437 68900110213311