Base | Representation |
---|---|
bin | 110111101110110110100010… |
… | …011001001000000011110111 |
3 | 1012010212111110120102212021101 |
4 | 313232312202121020003313 |
5 | 224111404303024023111 |
6 | 2225150555102430531 |
7 | 102425526066010630 |
oct | 6756664231100367 |
9 | 1163774416385241 |
10 | 245112213111031 |
11 | 7111156226a072 |
12 | 235a8480292447 |
13 | a69cca0789a46 |
14 | 44756cc95a887 |
15 | 1d50de7a31bc1 |
hex | deeda26480f7 |
245112213111031 has 8 divisors (see below), whose sum is σ = 280137069247904. Its totient is φ = 210089563397280.
The previous prime is 245112213111001. The next prime is 245112213111049. The reversal of 245112213111031 is 130111312211542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 245112213111031 - 27 = 245112213110903 is a prime.
It is a super-2 number, since 2×2451122131110312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245112213111001) 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, 551367720 + ... + 551812093.
It is an arithmetic number, because the mean of its divisors is an integer number (35017133655988).
Almost surely, 2245112213111031 is an apocalyptic number.
245112213111031 is a deficient number, since it is larger than the sum of its proper divisors (35024856136873).
245112213111031 is a wasteful number, since it uses less digits than its factorization.
245112213111031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1103211561.
The product of its (nonzero) digits is 1440, while the sum is 28.
Adding to 245112213111031 its reverse (130111312211542), we get a palindrome (375223525322573).
The spelling of 245112213111031 in words is "two hundred forty-five trillion, one hundred twelve billion, two hundred thirteen million, one hundred eleven thousand, thirty-one".
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