Base | Representation |
---|---|
bin | 11011111111010110110111… |
… | …001100100110000111010111 |
3 | 121010212100112111020201110211 |
4 | 123333112313030212013113 |
5 | 112113342104041444111 |
6 | 1113451513505030251 |
7 | 34633522534401622 |
oct | 3377266714460727 |
9 | 533770474221424 |
10 | 123101131203031 |
11 | 36250995362623 |
12 | 119819a7925387 |
13 | 538c504c236c7 |
14 | 22581ab328db9 |
15 | e37222580521 |
hex | 6ff5b73261d7 |
123101131203031 has 8 divisors (see below), whose sum is σ = 130342649910480. Its totient is φ = 115859643128448.
The previous prime is 123101131203023. The next prime is 123101131203073. The reversal of 123101131203031 is 130302131101321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123101131203031 - 23 = 123101131203023 is a prime.
It is a super-2 number, since 2×1231011312030312 (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 = 123101131202993 and 123101131203011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123101131203091) 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, 887865 + ... + 15715933.
It is an arithmetic number, because the mean of its divisors is an integer number (16292831238810).
Almost surely, 2123101131203031 is an apocalyptic number.
123101131203031 is a deficient number, since it is larger than the sum of its proper divisors (7241518707449).
123101131203031 is a wasteful number, since it uses less digits than its factorization.
123101131203031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15316433.
The product of its (nonzero) digits is 324, while the sum is 22.
Adding to 123101131203031 its reverse (130302131101321), we get a palindrome (253403262304352).
The spelling of 123101131203031 in words is "one hundred twenty-three trillion, one hundred one billion, one hundred thirty-one million, two hundred three thousand, thirty-one".
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