Base | Representation |
---|---|
bin | 1101001110000101… |
… | …11101111101100110 |
3 | 200022122021102010200 |
4 | 12213002331331212 |
5 | 104013432243304 |
6 | 3132140531330 |
7 | 340612045524 |
oct | 64702757546 |
9 | 20278242120 |
10 | 7097540454 |
11 | 3012416214 |
12 | 1460b50b46 |
13 | 8915980a4 |
14 | 4b48ab314 |
15 | 2b8184e39 |
hex | 1a70bdf66 |
7097540454 has 12 divisors (see below), whose sum is σ = 15378004356. Its totient is φ = 2365846812.
The previous prime is 7097540449. The next prime is 7097540467. The reversal of 7097540454 is 4540457907.
7097540454 is a `hidden beast` number, since 70 + 97 + 5 + 40 + 454 = 666.
It is a super-2 number, since 2×70975404542 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197153884 + ... + 197153919.
It is an arithmetic number, because the mean of its divisors is an integer number (1281500363).
Almost surely, 27097540454 is an apocalyptic number.
7097540454 is an abundant number, since it is smaller than the sum of its proper divisors (8280463902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7097540454 is a wasteful number, since it uses less digits than its factorization.
7097540454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394307811 (or 394307808 counting only the distinct ones).
The product of its (nonzero) digits is 705600, while the sum is 45.
The square root of 7097540454 is about 84246.9017471859. The cubic root of 7097540454 is about 1921.7753809510.
The spelling of 7097540454 in words is "seven billion, ninety-seven million, five hundred forty thousand, four hundred fifty-four".
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