Base | Representation |
---|---|
bin | 111001010111101101… |
… | …1001101111011011111 |
3 | 102210000011201212000210 |
4 | 1302233123031323133 |
5 | 4004304232411111 |
6 | 132333123223503 |
7 | 11621031456564 |
oct | 1625733157337 |
9 | 383004655023 |
10 | 123202232031 |
11 | 482824a247a |
12 | 1ba64217b93 |
13 | b805757b18 |
14 | 5d6a75286b |
15 | 33111950a6 |
hex | 1caf6cdedf |
123202232031 has 8 divisors (see below), whose sum is σ = 164288212480. Its totient is φ = 82125536472.
The previous prime is 123202231969. The next prime is 123202232039. The reversal of 123202232031 is 130232202321.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123202232031 - 213 = 123202223839 is a prime.
It is a super-2 number, since 2×1232022320312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123202231989 and 123202232007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123202232039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290201 + ... + 2343378.
It is an arithmetic number, because the mean of its divisors is an integer number (20536026560).
Almost surely, 2123202232031 is an apocalyptic number.
123202232031 is a deficient number, since it is larger than the sum of its proper divisors (41085980449).
123202232031 is an equidigital number, since it uses as much as digits as its factorization.
123202232031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4642445.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 123202232031 its reverse (130232202321), we get a palindrome (253434434352).
The spelling of 123202232031 in words is "one hundred twenty-three billion, two hundred two million, two hundred thirty-two thousand, thirty-one".
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