Base | Representation |
---|---|
bin | 11110111100110110110011… |
… | …11100000010011111101111 |
3 | 22220222122011110120121101210 |
4 | 33132123121330002133233 |
5 | 32410110334242322101 |
6 | 400431041142405503 |
7 | 20223203401631556 |
oct | 1736333174023757 |
9 | 286878143517353 |
10 | 68061708167151 |
11 | 1a760898993696 |
12 | 7772994430893 |
13 | 2bc9264a7860a |
14 | 12b42c0678d9d |
15 | 7d06941d47d6 |
hex | 3de6d9f027ef |
68061708167151 has 16 divisors (see below), whose sum is σ = 91365546952800. Its totient is φ = 45066221076480.
The previous prime is 68061708167107. The next prime is 68061708167153. The reversal of 68061708167151 is 15176180716086.
It is not a de Polignac number, because 68061708167151 - 26 = 68061708167087 is a prime.
It is a super-2 number, since 2×680617081671512 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68061708167091 and 68061708167100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68061708167153) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870610 + ... + 11699631.
It is an arithmetic number, because the mean of its divisors is an integer number (5710346684550).
Almost surely, 268061708167151 is an apocalyptic number.
68061708167151 is a deficient number, since it is larger than the sum of its proper divisors (23303838785649).
68061708167151 is a wasteful number, since it uses less digits than its factorization.
68061708167151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12582506.
The product of its (nonzero) digits is 3386880, while the sum is 57.
The spelling of 68061708167151 in words is "sixty-eight trillion, sixty-one billion, seven hundred eight million, one hundred sixty-seven thousand, one hundred fifty-one".
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