Base | Representation |
---|---|
bin | 10000111011001… |
… | …00110100101011 |
3 | 100220010212020020 |
4 | 20131210310223 |
5 | 242321030411 |
6 | 22030531523 |
7 | 3342505560 |
oct | 1035446453 |
9 | 326125206 |
10 | 141970731 |
11 | 73158791 |
12 | 3b666ba3 |
13 | 2354a366 |
14 | 14bd8867 |
15 | c6e5606 |
hex | 8764d2b |
141970731 has 16 divisors (see below), whose sum is σ = 223315968. Its totient is φ = 78508800.
The previous prime is 141970721. The next prime is 141970769. The reversal of 141970731 is 137079141.
141970731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 141970731 - 213 = 141962539 is a prime.
It is a super-2 number, since 2×1419707312 = 40311376921348722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 141970692 and 141970701.
It is not an unprimeable number, because it can be changed into a prime (141970711) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108390 + ... + 109691.
It is an arithmetic number, because the mean of its divisors is an integer number (13957248).
Almost surely, 2141970731 is an apocalyptic number.
141970731 is a deficient number, since it is larger than the sum of its proper divisors (81345237).
141970731 is a wasteful number, since it uses less digits than its factorization.
141970731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218122.
The product of its (nonzero) digits is 5292, while the sum is 33.
The square root of 141970731 is about 11915.1471245638. The cubic root of 141970731 is about 521.6744972348.
The spelling of 141970731 in words is "one hundred forty-one million, nine hundred seventy thousand, seven hundred thirty-one".
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