Base | Representation |
---|---|
bin | 11111001011001100010001… |
… | …00100011110010111101111 |
3 | 22222201201112112210101111100 |
4 | 33211212020210132113233 |
5 | 32441143113123240130 |
6 | 401445221053254143 |
7 | 20303611401520113 |
oct | 1745461044362757 |
9 | 288651475711440 |
10 | 68554264274415 |
11 | 1a930777a82317 |
12 | 7832338494353 |
13 | 2c3384095151a |
14 | 12d0088dd3743 |
15 | 7dd3c1569c60 |
hex | 3e598891e5ef |
68554264274415 has 48 divisors (see below), whose sum is σ = 121771817975808. Its totient is φ = 35666893107648.
The previous prime is 68554264274411. The next prime is 68554264274437. The reversal of 68554264274415 is 51447246245586.
68554264274415 is a `hidden beast` number, since 6 + 8 + 5 + 542 + 6 + 4 + 2 + 74 + 4 + 15 = 666.
It is not a de Polignac number, because 68554264274415 - 22 = 68554264274411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68554264274411) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110066799 + ... + 110687888.
It is an arithmetic number, because the mean of its divisors is an integer number (2536912874496).
Almost surely, 268554264274415 is an apocalyptic number.
68554264274415 is a deficient number, since it is larger than the sum of its proper divisors (53217553701393).
68554264274415 is a wasteful number, since it uses less digits than its factorization.
68554264274415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220754868 (or 220754865 counting only the distinct ones).
The product of its digits is 258048000, while the sum is 63.
The spelling of 68554264274415 in words is "sixty-eight trillion, five hundred fifty-four billion, two hundred sixty-four million, two hundred seventy-four thousand, four hundred fifteen".
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