Base | Representation |
---|---|
bin | 1101000101011101… |
… | …00111110111110111 |
3 | 200010120221222002101 |
4 | 12202232213313313 |
5 | 103341411120411 |
6 | 3121032122531 |
7 | 336042230644 |
oct | 64256476767 |
9 | 20116858071 |
10 | 7025098231 |
11 | 2a85537308 |
12 | 1440836447 |
13 | 87c582a78 |
14 | 4a9010dcb |
15 | 2b1b258c1 |
hex | 1a2ba7df7 |
7025098231 has 4 divisors (see below), whose sum is σ = 7027675200. Its totient is φ = 7022521264.
The previous prime is 7025098217. The next prime is 7025098237. The reversal of 7025098231 is 1328905207.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1328905207 = 7 ⋅189843601.
It is a cyclic number.
It is not a de Polignac number, because 7025098231 - 29 = 7025097719 is a prime.
It is a super-2 number, since 2×70250982312 = 98704010310398658722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7025098237) 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, 1284391 + ... + 1289848.
It is an arithmetic number, because the mean of its divisors is an integer number (1756918800).
Almost surely, 27025098231 is an apocalyptic number.
7025098231 is a deficient number, since it is larger than the sum of its proper divisors (2576969).
7025098231 is a wasteful number, since it uses less digits than its factorization.
7025098231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2576968.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 7025098231 is about 83815.8590661696. The cubic root of 7025098231 is about 1915.2147028667.
The spelling of 7025098231 in words is "seven billion, twenty-five million, ninety-eight thousand, two hundred thirty-one".
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