Base | Representation |
---|---|
bin | 10001011111011111001… |
… | …110100001100110111111 |
3 | 11020220200022012202222002 |
4 | 101133133032201212333 |
5 | 124143234444034211 |
6 | 2320113210212515 |
7 | 152562460636313 |
oct | 21373716414677 |
9 | 4226608182862 |
10 | 1202041002431 |
11 | 423867899465 |
12 | 174b6912413b |
13 | 894763b9c59 |
14 | 42271617b43 |
15 | 21403e9c03b |
hex | 117df3a19bf |
1202041002431 has 32 divisors (see below), whose sum is σ = 1290110976000. Its totient is φ = 1117897659648.
The previous prime is 1202041002401. The next prime is 1202041002439. The reversal of 1202041002431 is 1342001402021.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1202041002431 is a prime.
It is a super-2 number, since 2×12020410024312 (a number of 25 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 (1202041002439) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42492350 + ... + 42520628.
It is an arithmetic number, because the mean of its divisors is an integer number (40315968000).
Almost surely, 21202041002431 is an apocalyptic number.
1202041002431 is a deficient number, since it is larger than the sum of its proper divisors (88069973569).
1202041002431 is a wasteful number, since it uses less digits than its factorization.
1202041002431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28823.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 1202041002431 its reverse (1342001402021), we get a palindrome (2544042404452).
The spelling of 1202041002431 in words is "one trillion, two hundred two billion, forty-one million, two thousand, four hundred thirty-one".
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