Base | Representation |
---|---|
bin | 11111010101011110001110… |
… | …01100001001000110001110 |
3 | 100000222111022022020011112022 |
4 | 33222233013030021012032 |
5 | 33012440031024204302 |
6 | 402315400335410142 |
7 | 20341255066254425 |
oct | 1752570714110616 |
9 | 300874268204468 |
10 | 68907502178702 |
11 | 1aa57564624020 |
12 | 788a89b083952 |
13 | 2c5ac462a0335 |
14 | 13031d88ba2bc |
15 | 7e76979a78a2 |
hex | 3eabc730918e |
68907502178702 has 16 divisors (see below), whose sum is σ = 112772042294400. Its totient is φ = 31317616494840.
The previous prime is 68907502178699. The next prime is 68907502178741. The reversal of 68907502178702 is 20787120570986.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198592952 + ... + 198939627.
It is an arithmetic number, because the mean of its divisors is an integer number (7048252643400).
Almost surely, 268907502178702 is an apocalyptic number.
68907502178702 is a deficient number, since it is larger than the sum of its proper divisors (43864540115698).
68907502178702 is a wasteful number, since it uses less digits than its factorization.
68907502178702 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397540471.
The product of its (nonzero) digits is 23708160, while the sum is 62.
The spelling of 68907502178702 in words is "sixty-eight trillion, nine hundred seven billion, five hundred two million, one hundred seventy-eight thousand, seven hundred two".
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