Base | Representation |
---|---|
bin | 100101100010000101… |
… | …100100000011010100 |
3 | 10212000121011221111000 |
4 | 211202011210003110 |
5 | 1130013341044340 |
6 | 30302543543300 |
7 | 2624452110012 |
oct | 454205440324 |
9 | 125017157430 |
10 | 40300331220 |
11 | 16100539366 |
12 | 79885bab30 |
13 | 3a53368046 |
14 | 1d444298b2 |
15 | 10ad05dd30 |
hex | 9621640d4 |
40300331220 has 48 divisors (see below), whose sum is σ = 125378809920. Its totient is φ = 10746754848.
The previous prime is 40300331219. The next prime is 40300331221. The reversal of 40300331220 is 2213300304.
It is an interprime number because it is at equal distance from previous prime (40300331219) and next prime (40300331221).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 40300331193 and 40300331202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40300331221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37314582 + ... + 37315661.
It is an arithmetic number, because the mean of its divisors is an integer number (2612058540).
Almost surely, 240300331220 is an apocalyptic number.
It is an amenable number.
40300331220 is an abundant number, since it is smaller than the sum of its proper divisors (85078478700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40300331220 is a wasteful number, since it uses less digits than its factorization.
40300331220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74630261 (or 74630253 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 40300331220 its reverse (2213300304), we get a palindrome (42513631524).
The spelling of 40300331220 in words is "forty billion, three hundred million, three hundred thirty-one thousand, two hundred twenty".
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