Base | Representation |
---|---|
bin | 10001111010101111000… |
… | …001001100100011100110 |
3 | 11100201012012111001212201 |
4 | 101322233001030203212 |
5 | 130133144011114110 |
6 | 2341352223205114 |
7 | 154646454404245 |
oct | 21725701144346 |
9 | 4321165431781 |
10 | 1231296973030 |
11 | 435210050163 |
12 | 17a772a4679a |
13 | 8c159598067 |
14 | 43848d0695c |
15 | 22067607b3a |
hex | 11eaf04c8e6 |
1231296973030 has 32 divisors (see below), whose sum is σ = 2222473462848. Its totient is φ = 491156265600.
The previous prime is 1231296973009. The next prime is 1231296973031. The reversal of 1231296973030 is 303796921321.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231296973031) 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, 5809015 + ... + 6017245.
It is an arithmetic number, because the mean of its divisors is an integer number (69452295714).
Almost surely, 21231296973030 is an apocalyptic number.
1231296973030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1231296973030 is a deficient number, since it is larger than the sum of its proper divisors (991176489818).
1231296973030 is a wasteful number, since it uses less digits than its factorization.
1231296973030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209872.
The product of its (nonzero) digits is 367416, while the sum is 46.
The spelling of 1231296973030 in words is "one trillion, two hundred thirty-one billion, two hundred ninety-six million, nine hundred seventy-three thousand, thirty".
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