Base | Representation |
---|---|
bin | 111001000111110100… |
… | …001011010001011100 |
3 | 12212022111111110100201 |
4 | 321013310023101130 |
5 | 2001103101332030 |
6 | 44102053033244 |
7 | 4300631546644 |
oct | 710764132134 |
9 | 185274443321 |
10 | 61334402140 |
11 | 24014742150 |
12 | ba78925824 |
13 | 5a2604ba5b |
14 | 2d7bbab524 |
15 | 18de98b2ca |
hex | e47d0b45c |
61334402140 has 48 divisors (see below), whose sum is σ = 140611000320. Its totient is φ = 22287631680.
The previous prime is 61334402137. The next prime is 61334402141. The reversal of 61334402140 is 4120443316.
61334402140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 61334402099 and 61334402108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61334402141) 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, 215101 + ... + 411019.
It is an arithmetic number, because the mean of its divisors is an integer number (2929395840).
Almost surely, 261334402140 is an apocalyptic number.
It is an amenable number.
61334402140 is an abundant number, since it is smaller than the sum of its proper divisors (79276598180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61334402140 is a wasteful number, since it uses less digits than its factorization.
61334402140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197362 (or 197360 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 61334402140 its reverse (4120443316), we get a palindrome (65454845456).
The spelling of 61334402140 in words is "sixty-one billion, three hundred thirty-four million, four hundred two thousand, one hundred forty".
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