Base | Representation |
---|---|
bin | 1001001010011110010… |
… | …0000010111000110011 |
3 | 120001100120110000022120 |
4 | 2102213210002320303 |
5 | 10034404044113424 |
6 | 200153344405323 |
7 | 14242156326261 |
oct | 2224744027063 |
9 | 501316400276 |
10 | 157430066739 |
11 | 60847194280 |
12 | 26617016843 |
13 | 11acb9c315a |
14 | 789649b431 |
15 | 416604aa79 |
hex | 24a7902e33 |
157430066739 has 16 divisors (see below), whose sum is σ = 236885368320. Its totient is φ = 92122086560.
The previous prime is 157430066723. The next prime is 157430066741. The reversal of 157430066739 is 937660034751.
It is a cyclic number.
It is not a de Polignac number, because 157430066739 - 24 = 157430066723 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 157430066691 and 157430066700.
It is not an unprimeable number, because it can be changed into a prime (157430066789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82250907 + ... + 82252820.
It is an arithmetic number, because the mean of its divisors is an integer number (14805335520).
Almost surely, 2157430066739 is an apocalyptic number.
157430066739 is a deficient number, since it is larger than the sum of its proper divisors (79455301581).
157430066739 is a wasteful number, since it uses less digits than its factorization.
157430066739 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164503770.
The product of its (nonzero) digits is 2857680, while the sum is 51.
The spelling of 157430066739 in words is "one hundred fifty-seven billion, four hundred thirty million, sixty-six thousand, seven hundred thirty-nine".
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