Base | Representation |
---|---|
bin | 100011101110101011001011… |
… | …100000010000010010111011 |
3 | 202121101100110012112002221022 |
4 | 203232223023200100102323 |
5 | 131044031322424043114 |
6 | 1314112411134133055 |
7 | 45045632040145361 |
oct | 4356531340202273 |
9 | 677340405462838 |
10 | 157139087721659 |
11 | 460843494584aa |
12 | 1575a73665118b |
13 | 698b1c9a51254 |
14 | 2ab3802a49631 |
15 | 13278356ea48e |
hex | 8eeacb8104bb |
157139087721659 has 8 divisors (see below), whose sum is σ = 159833741264640. Its totient is φ = 154457807149800.
The previous prime is 157139087721589. The next prime is 157139087721697. The reversal of 157139087721659 is 956127780931751.
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 157139087721659 - 232 = 157134792754363 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (71).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 157139087721592 and 157139087721601.
It is not an unprimeable number, because it can be changed into a prime (157139017721659) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3343219079 + ... + 3343266080.
It is an arithmetic number, because the mean of its divisors is an integer number (19979217658080).
Almost surely, 2157139087721659 is an apocalyptic number.
157139087721659 is a deficient number, since it is larger than the sum of its proper divisors (2694653542981).
157139087721659 is an equidigital number, since it uses as much as digits as its factorization.
157139087721659 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6686485561.
The product of its (nonzero) digits is 200037600, while the sum is 71.
The spelling of 157139087721659 in words is "one hundred fifty-seven trillion, one hundred thirty-nine billion, eighty-seven million, seven hundred twenty-one thousand, six hundred fifty-nine".
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