Base | Representation |
---|---|
bin | 100011010000000110101011… |
… | …100110110001010110101111 |
3 | 202022221111222122021222121111 |
4 | 203100012223212301112233 |
5 | 130310121431232120104 |
6 | 1305423341253012451 |
7 | 44441101640264314 |
oct | 4320065346612657 |
9 | 668844878258544 |
10 | 155038313551279 |
11 | 4544441a182994 |
12 | 1547b569624127 |
13 | 686808649c282 |
14 | 2a3dc743b4d0b |
15 | 12dcd8055e404 |
hex | 8d01ab9b15af |
155038313551279 has 8 divisors (see below), whose sum is σ = 168462683655680. Its totient is φ = 142140389333400.
The previous prime is 155038313551271. The next prime is 155038313551367. The reversal of 155038313551279 is 972155313830551.
155038313551279 is digitally balanced in base 2, 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 not a de Polignac number, because 155038313551279 - 23 = 155038313551271 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155038313551271) 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, 131611471017 + ... + 131611472194.
It is an arithmetic number, because the mean of its divisors is an integer number (21057835456960).
Almost surely, 2155038313551279 is an apocalyptic number.
155038313551279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
155038313551279 is a deficient number, since it is larger than the sum of its proper divisors (13424370104401).
155038313551279 is a wasteful number, since it uses less digits than its factorization.
155038313551279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263222943261.
The product of its (nonzero) digits is 17010000, while the sum is 58.
The spelling of 155038313551279 in words is "one hundred fifty-five trillion, thirty-eight billion, three hundred thirteen million, five hundred fifty-one thousand, two hundred seventy-nine".
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