Base | Representation |
---|---|
bin | 11101010000111010… |
… | …001100010010001110 |
3 | 10000002212102022011010 |
4 | 131100322030102032 |
5 | 1003323040444042 |
6 | 22233554510050 |
7 | 2161446214230 |
oct | 352072142216 |
9 | 100085368133 |
10 | 31422203022 |
11 | 12365018231 |
12 | 610b295326 |
13 | 2c69c18952 |
14 | 174129a250 |
15 | c3d90759c |
hex | 750e8c48e |
31422203022 has 32 divisors (see below), whose sum is σ = 72003128832. Its totient is φ = 8955153504.
The previous prime is 31422203003. The next prime is 31422203041. The reversal of 31422203022 is 22030222413.
It is an interprime number because it is at equal distance from previous prime (31422203003) and next prime (31422203041).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 31422203022.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925578 + ... + 958925.
It is an arithmetic number, because the mean of its divisors is an integer number (2250097776).
Almost surely, 231422203022 is an apocalyptic number.
31422203022 is an abundant number, since it is smaller than the sum of its proper divisors (40580925810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31422203022 is a wasteful number, since it uses less digits than its factorization.
31422203022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1884912.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 31422203022 its reverse (22030222413), we get a palindrome (53452425435).
The spelling of 31422203022 in words is "thirty-one billion, four hundred twenty-two million, two hundred three thousand, twenty-two".
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