Base | Representation |
---|---|
bin | 100011011001011100011001… |
… | …110001111111001111100101 |
3 | 202102012212120200111221220221 |
4 | 203121130121301333033211 |
5 | 130401130332200100423 |
6 | 1311034242311324341 |
7 | 44535342210116224 |
oct | 4331343161771745 |
9 | 672185520457827 |
10 | 155680112112613 |
11 | 45671623796250 |
12 | 15563a226806b1 |
13 | 68b37579b72ba |
14 | 2a62d59a46cbb |
15 | 12ee8e4c35e5d |
hex | 8d9719c7f3e5 |
155680112112613 has 4 divisors (see below), whose sum is σ = 169832849577408. Its totient is φ = 141527374647820.
The previous prime is 155680112112593. The next prime is 155680112112653. The reversal of 155680112112613 is 316211211086551.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 155680112112613 - 221 = 155680110015461 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 155680112112613.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155680112112653) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7076368732381 + ... + 7076368732402.
It is an arithmetic number, because the mean of its divisors is an integer number (42458212394352).
Almost surely, 2155680112112613 is an apocalyptic number.
It is an amenable number.
155680112112613 is a deficient number, since it is larger than the sum of its proper divisors (14152737464795).
155680112112613 is a wasteful number, since it uses less digits than its factorization.
155680112112613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14152737464794.
The product of its (nonzero) digits is 86400, while the sum is 43.
The spelling of 155680112112613 in words is "one hundred fifty-five trillion, six hundred eighty billion, one hundred twelve million, one hundred twelve thousand, six hundred thirteen".
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