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2001317933 = 3169599277
BaseRepresentation
bin111011101001001…
…1011000000101101
312011110211111002102
41313102123000231
513044314133213
6530331104445
7100410631106
oct16722330055
95143744072
102001317933
1193776786a
1247a2a2125
1325b8191c4
1414db1d3ad
15baa73158
hex7749b02d

2001317933 has 8 divisors (see below), whose sum is σ = 2066396160. Its totient is φ = 1936272240.

The previous prime is 2001317917. The next prime is 2001317947. The reversal of 2001317933 is 3397131002.

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 2001317933 - 24 = 2001317917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2001317896 and 2001317905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001317233) 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, 211091 + ... + 220367.

It is an arithmetic number, because the mean of its divisors is an integer number (258299520).

Almost surely, 22001317933 is an apocalyptic number.

It is an amenable number.

2001317933 is a deficient number, since it is larger than the sum of its proper divisors (65078227).

2001317933 is an equidigital number, since it uses as much as digits as its factorization.

2001317933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16267.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 2001317933 is about 44736.0920622264. The cubic root of 2001317933 is about 1260.1977377159.

Adding to 2001317933 its reverse (3397131002), we get a palindrome (5398448935).

The spelling of 2001317933 in words is "two billion, one million, three hundred seventeen thousand, nine hundred thirty-three".

Divisors: 1 31 6959 9277 215729 287587 64558643 2001317933