Base | Representation |
---|---|
bin | 1110000110010001110001… |
… | …00001010100001110010010 |
3 | 11001202202122020020121011020 |
4 | 13003020320201110032102 |
5 | 13030414120140401320 |
6 | 145534044332300310 |
7 | 6346552003511535 |
oct | 703107041241622 |
9 | 131682566217136 |
10 | 31002022200210 |
11 | 997297a346996 |
12 | 3588496611696 |
13 | 143b62a655b59 |
14 | 7927121caa1c |
15 | 38b678d3a940 |
hex | 1c3238854392 |
31002022200210 has 64 divisors (see below), whose sum is σ = 76136191211520. Its totient is φ = 8074840052160.
The previous prime is 31002022200209. The next prime is 31002022200211. The reversal of 31002022200210 is 1200222020013.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31002022200209) and next prime (31002022200211).
It is a super-2 number, since 2×310020222002102 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 31002022200210.
It is not an unprimeable number, because it can be changed into a prime (31002022200211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172991031 + ... + 173170149.
It is an arithmetic number, because the mean of its divisors is an integer number (1189627987680).
Almost surely, 231002022200210 is an apocalyptic number.
31002022200210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31002022200210 is an abundant number, since it is smaller than the sum of its proper divisors (45134169011310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31002022200210 is a wasteful number, since it uses less digits than its factorization.
31002022200210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313343.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 31002022200210 its reverse (1200222020013), we get a palindrome (32202244220223).
The spelling of 31002022200210 in words is "thirty-one trillion, two billion, twenty-two million, two hundred thousand, two hundred ten".
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