Base | Representation |
---|---|
bin | 111001001111001010… |
… | …001110111001111101 |
3 | 12212122002100210221021 |
4 | 321033022032321331 |
5 | 2001331122442301 |
6 | 44122214104141 |
7 | 4303656122254 |
oct | 711712167175 |
9 | 185562323837 |
10 | 61457624701 |
11 | 24078255080 |
12 | bab204b051 |
13 | 5a45733705 |
14 | 2d902c579b |
15 | 18ea6cb8a1 |
hex | e4f28ee7d |
61457624701 has 16 divisors (see below), whose sum is σ = 67816595520. Its totient is φ = 55227652480.
The previous prime is 61457624693. The next prime is 61457624717. The reversal of 61457624701 is 10742675416.
It is not a de Polignac number, because 61457624701 - 23 = 61457624693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61457624771) 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, 5121030 + ... + 5133016.
It is an arithmetic number, because the mean of its divisors is an integer number (4238537220).
Almost surely, 261457624701 is an apocalyptic number.
It is an amenable number.
61457624701 is a deficient number, since it is larger than the sum of its proper divisors (6358970819).
61457624701 is a wasteful number, since it uses less digits than its factorization.
61457624701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17324.
The product of its (nonzero) digits is 282240, while the sum is 43.
The spelling of 61457624701 in words is "sixty-one billion, four hundred fifty-seven million, six hundred twenty-four thousand, seven hundred one".
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