Base | Representation |
---|---|
bin | 111001000010110001… |
… | …100010100011101001 |
3 | 12212002121100111100002 |
4 | 321002301202203221 |
5 | 2000414423400001 |
6 | 44045432152345 |
7 | 4265553631241 |
oct | 710261424351 |
9 | 185077314302 |
10 | 61249825001 |
11 | 23a80a25092 |
12 | ba545386b5 |
13 | 5a11678201 |
14 | 2d70872b21 |
15 | 18d733146b |
hex | e42c628e9 |
61249825001 has 4 divisors (see below), whose sum is σ = 61253953104. Its totient is φ = 61245696900.
The previous prime is 61249824989. The next prime is 61249825051. The reversal of 61249825001 is 10052894216.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 61249825001 - 210 = 61249823977 is a prime.
It is a pancake number, because a pancake can be divided into 61249825001 parts by 349999 straight cuts.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61249825051) 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, 2041715 + ... + 2071496.
It is an arithmetic number, because the mean of its divisors is an integer number (15313488276).
Almost surely, 261249825001 is an apocalyptic number.
It is an amenable number.
61249825001 is a deficient number, since it is larger than the sum of its proper divisors (4128103).
61249825001 is a wasteful number, since it uses less digits than its factorization.
61249825001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4128102.
The product of its (nonzero) digits is 34560, while the sum is 38.
The spelling of 61249825001 in words is "sixty-one billion, two hundred forty-nine million, eight hundred twenty-five thousand, one".
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