Base | Representation |
---|---|
bin | 1101010001011100… |
… | …01000000110101001 |
3 | 200101121010120200010 |
4 | 12220232020012221 |
5 | 104043130201101 |
6 | 3135023002133 |
7 | 341402603400 |
oct | 65056100651 |
9 | 20347116603 |
10 | 7125631401 |
11 | 3027262379 |
12 | 146a439349 |
13 | 897352155 |
14 | 4b8500637 |
15 | 2ba8832d6 |
hex | 1a8b881a9 |
7125631401 has 24 divisors (see below), whose sum is σ = 11055929760. Its totient is φ = 4070341632.
The previous prime is 7125631391. The next prime is 7125631451. The reversal of 7125631401 is 1041365217.
It is not a de Polignac number, because 7125631401 - 217 = 7125500329 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7125631451) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513385 + ... + 527081.
It is an arithmetic number, because the mean of its divisors is an integer number (460663740).
Almost surely, 27125631401 is an apocalyptic number.
It is an amenable number.
7125631401 is a deficient number, since it is larger than the sum of its proper divisors (3930298359).
7125631401 is a wasteful number, since it uses less digits than its factorization.
7125631401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17253 (or 17246 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 7125631401 is about 84413.4550945523. The cubic root of 7125631401 is about 1924.3074048358.
Adding to 7125631401 its reverse (1041365217), we get a palindrome (8166996618).
The spelling of 7125631401 in words is "seven billion, one hundred twenty-five million, six hundred thirty-one thousand, four hundred one".
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