Base | Representation |
---|---|
bin | 11101001001101100… |
… | …010011100101101010 |
3 | 2222210102120202210000 |
4 | 131021230103211222 |
5 | 1003101041404120 |
6 | 22213551403430 |
7 | 2155446102435 |
oct | 351154234552 |
9 | 88712522700 |
10 | 31301122410 |
11 | 12302738608 |
12 | 6096823576 |
13 | 2c4ab03c0c |
14 | 172d17c81c |
15 | c32e8b990 |
hex | 749b1396a |
31301122410 has 80 divisors (see below), whose sum is σ = 86218142472. Its totient is φ = 8143372800.
The previous prime is 31301122393. The next prime is 31301122429. The reversal of 31301122410 is 1422110313.
31301122410 is a `hidden beast` number, since 3 + 130 + 1 + 122 + 410 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 24837444801 + 6463677609 = 157599^2 + 80397^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 438051 + ... + 504470.
Almost surely, 231301122410 is an apocalyptic number.
31301122410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31301122410 is an abundant number, since it is smaller than the sum of its proper divisors (54917020062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31301122410 is a wasteful number, since it uses less digits than its factorization.
31301122410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 942581 (or 942572 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 31301122410 its reverse (1422110313), we get a palindrome (32723232723).
The spelling of 31301122410 in words is "thirty-one billion, three hundred one million, one hundred twenty-two thousand, four hundred ten".
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