Base | Representation |
---|---|
bin | 11100111001000011… |
… | …100111110111010110 |
3 | 2222001222102000010120 |
4 | 130321003213313112 |
5 | 1002013114201402 |
6 | 22130141332410 |
7 | 2145516560061 |
oct | 347103476726 |
9 | 88058360116 |
10 | 31022022102 |
11 | 1217a1393a5 |
12 | 6019267106 |
13 | 2c05042bc6 |
14 | 17040898d8 |
15 | c1870a3bc |
hex | 7390e7dd6 |
31022022102 has 32 divisors (see below), whose sum is σ = 62555950080. Its totient is φ = 10255623840.
The previous prime is 31022022091. The next prime is 31022022103. The reversal of 31022022102 is 20122022013.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31022022103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435352 + ... + 501572.
It is an arithmetic number, because the mean of its divisors is an integer number (1954873440).
Almost surely, 231022022102 is an apocalyptic number.
31022022102 is an abundant number, since it is smaller than the sum of its proper divisors (31533927978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31022022102 is a wasteful number, since it uses less digits than its factorization.
31022022102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66868.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 31022022102 its reverse (20122022013), we get a palindrome (51144044115).
The spelling of 31022022102 in words is "thirty-one billion, twenty-two million, twenty-two thousand, one hundred two".
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