Base | Representation |
---|---|
bin | 11101111011001010… |
… | …000011001010001101 |
3 | 10001221021011001221221 |
4 | 131323022003022031 |
5 | 1011301014044041 |
6 | 22432154523341 |
7 | 2215144006435 |
oct | 357312031215 |
9 | 101837131857 |
10 | 32131003021 |
11 | 12699128157 |
12 | 6288736551 |
13 | 3050a19630 |
14 | 17ab4852c5 |
15 | c80c672d1 |
hex | 77b28328d |
32131003021 has 8 divisors (see below), whose sum is σ = 34682909184. Its totient is φ = 29590566960.
The previous prime is 32131003007. The next prime is 32131003031. The reversal of 32131003021 is 12030013123.
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 32131003021 - 211 = 32131000973 is a prime.
It is a super-2 number, since 2×321310030212 (a number of 22 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 = 32131002986 and 32131003004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32131003031) 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, 2861701 + ... + 2872906.
It is an arithmetic number, because the mean of its divisors is an integer number (4335363648).
Almost surely, 232131003021 is an apocalyptic number.
It is an amenable number.
32131003021 is a deficient number, since it is larger than the sum of its proper divisors (2551906163).
32131003021 is a wasteful number, since it uses less digits than its factorization.
32131003021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5735051.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 32131003021 its reverse (12030013123), we get a palindrome (44161016144).
The spelling of 32131003021 in words is "thirty-two billion, one hundred thirty-one million, three thousand, twenty-one".
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