Base | Representation |
---|---|
bin | 11011100000111101011001… |
… | …010001011111101000010111 |
3 | 120212110122122101010220001111 |
4 | 123200331121101133220113 |
5 | 111330130442014314111 |
6 | 1105212123212035451 |
7 | 34326562105364434 |
oct | 3340753121375027 |
9 | 525418571126044 |
10 | 121012201323031 |
11 | 35615a93957747 |
12 | 116a4b85462b87 |
13 | 526a52b488585 |
14 | 21c5043b3cb8b |
15 | decc12158a21 |
hex | 6e0f5945fa17 |
121012201323031 has 8 divisors (see below), whose sum is σ = 122083674182784. Its totient is φ = 119940738435840.
The previous prime is 121012201323017. The next prime is 121012201323047. The reversal of 121012201323031 is 130323102210121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121012201323031 is a prime.
It is a super-2 number, since 2×1210122013230312 (a number of 29 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 = 121012201322993 and 121012201323011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121012201323001) 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, 23035450 + ... + 27796696.
It is an arithmetic number, because the mean of its divisors is an integer number (15260459272848).
Almost surely, 2121012201323031 is an apocalyptic number.
121012201323031 is a deficient number, since it is larger than the sum of its proper divisors (1071472859753).
121012201323031 is a wasteful number, since it uses less digits than its factorization.
121012201323031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4986281.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 121012201323031 its reverse (130323102210121), we get a palindrome (251335303533152).
The spelling of 121012201323031 in words is "one hundred twenty-one trillion, twelve billion, two hundred one million, three hundred twenty-three thousand, thirty-one".
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