Base | Representation |
---|---|
bin | 111001100011101001… |
… | …010100001111100100 |
3 | 12220112001002012121120 |
4 | 321203221110033210 |
5 | 2003032114123343 |
6 | 44220252413540 |
7 | 4315331346531 |
oct | 714351241744 |
9 | 186461065546 |
10 | 61801317348 |
11 | 24234261491 |
12 | bb891772b0 |
13 | 5a9b9bba44 |
14 | 2dc3bcdd88 |
15 | 191a96b683 |
hex | e63a543e4 |
61801317348 has 24 divisors (see below), whose sum is σ = 145121569152. Its totient is φ = 20469225504.
The previous prime is 61801317341. The next prime is 61801317359. The reversal of 61801317348 is 84371310816.
61801317348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (61801317341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16399740 + ... + 16403507.
It is an arithmetic number, because the mean of its divisors is an integer number (6046732048).
Almost surely, 261801317348 is an apocalyptic number.
It is an amenable number.
61801317348 is an abundant number, since it is smaller than the sum of its proper divisors (83320251804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61801317348 is a wasteful number, since it uses less digits than its factorization.
61801317348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32803411 (or 32803409 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 42.
The spelling of 61801317348 in words is "sixty-one billion, eight hundred one million, three hundred seventeen thousand, three hundred forty-eight".
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