Base | Representation |
---|---|
bin | 11010101000100111000… |
… | …101101000110011111001 |
3 | 20110222100120200001202220 |
4 | 122220213011220303321 |
5 | 214441434313414101 |
6 | 3520500023114253 |
7 | 246143556043116 |
oct | 32504705506371 |
9 | 6428316601686 |
10 | 1830311857401 |
11 | 64625a366805 |
12 | 2568878a2989 |
13 | 1037a00ca1c1 |
14 | 648323d590d |
15 | 32925c34636 |
hex | 1aa27168cf9 |
1830311857401 has 16 divisors (see below), whose sum is σ = 2452810149504. Its totient is φ = 1214018943104.
The previous prime is 1830311857373. The next prime is 1830311857471. The reversal of 1830311857401 is 1047581130381.
It is a cyclic number.
It is not a de Polignac number, because 1830311857401 - 226 = 1830244748537 is a prime.
It is a super-3 number, since 3×18303118574013 (a number of 38 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1830311857471) 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, 132621 + ... + 1917866.
It is an arithmetic number, because the mean of its divisors is an integer number (153300634344).
Almost surely, 21830311857401 is an apocalyptic number.
It is an amenable number.
1830311857401 is a deficient number, since it is larger than the sum of its proper divisors (622498292103).
1830311857401 is a wasteful number, since it uses less digits than its factorization.
1830311857401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2052000.
The product of its (nonzero) digits is 80640, while the sum is 42.
Adding to 1830311857401 its reverse (1047581130381), we get a palindrome (2877892987782).
The spelling of 1830311857401 in words is "one trillion, eight hundred thirty billion, three hundred eleven million, eight hundred fifty-seven thousand, four hundred one".
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