Base | Representation |
---|---|
bin | 110100000100011010111… |
… | …0011010100100100000101 |
3 | 221100010201010011022222121 |
4 | 1220020311303110210011 |
5 | 1414222114422124112 |
6 | 23115322302125541 |
7 | 1336012143466324 |
oct | 150106563244405 |
9 | 27303633138877 |
10 | 7156318161157 |
11 | 2309a83045490 |
12 | 976b385808b1 |
13 | 3cbab7b5ca89 |
14 | 1aa520b760bb |
15 | c6243d11407 |
hex | 68235cd4905 |
7156318161157 has 8 divisors (see below), whose sum is σ = 7807750266240. Its totient is φ = 6505029010560.
The previous prime is 7156318161151. The next prime is 7156318161169. The reversal of 7156318161157 is 7511618136517.
7156318161157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7156318161157 is a prime.
It is a super-3 number, since 3×71563181611573 (a number of 40 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7156318161151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35633932 + ... + 35834197.
It is an arithmetic number, because the mean of its divisors is an integer number (975968783280).
Almost surely, 27156318161157 is an apocalyptic number.
It is an amenable number.
7156318161157 is a deficient number, since it is larger than the sum of its proper divisors (651432105083).
7156318161157 is a wasteful number, since it uses less digits than its factorization.
7156318161157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71477243.
The product of its digits is 1058400, while the sum is 52.
It can be divided in two parts, 715631 and 8161157, that added together give a palindrome (8876788).
The spelling of 7156318161157 in words is "seven trillion, one hundred fifty-six billion, three hundred eighteen million, one hundred sixty-one thousand, one hundred fifty-seven".
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