Base | Representation |
---|---|
bin | 111001100011101100… |
… | …110011110011100100 |
3 | 12220112002210201201211 |
4 | 321203230303303210 |
5 | 2003032332424220 |
6 | 44220324201204 |
7 | 4315342212331 |
oct | 714354636344 |
9 | 186462721654 |
10 | 61802233060 |
11 | 24234827477 |
12 | bb89539204 |
13 | 5a9bc4c799 |
14 | 2dc3d8b988 |
15 | 191aa9cb5a |
hex | e63b33ce4 |
61802233060 has 12 divisors (see below), whose sum is σ = 129784689468. Its totient is φ = 24720893216.
The previous prime is 61802233049. The next prime is 61802233069. The reversal of 61802233060 is 6033220816.
It can be written as a sum of positive squares in 2 ways, for example, as 38142871204 + 23659361856 = 195302^2 + 153816^2 .
It is a super-2 number, since 2×618022330602 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (61802233069) 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, 1545055807 + ... + 1545055846.
It is an arithmetic number, because the mean of its divisors is an integer number (10815390789).
Almost surely, 261802233060 is an apocalyptic number.
It is an amenable number.
61802233060 is an abundant number, since it is smaller than the sum of its proper divisors (67982456408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61802233060 is a wasteful number, since it uses less digits than its factorization.
61802233060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3090111662 (or 3090111660 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 31.
Adding to 61802233060 its reverse (6033220816), we get a palindrome (67835453876).
The spelling of 61802233060 in words is "sixty-one billion, eight hundred two million, two hundred thirty-three thousand, sixty".
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