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38665933956683 = 11531573971064069
BaseRepresentation
bin10001100101010100111010…
…10000100010011001001011
312001220102112102022020212022
420302222131100202121023
520032000313043103213
6214122515043035055
711100343613552435
oct1062523520423113
9161812472266768
1038665933956683
1111358148777380
12440587306ba8b
131876249901c57
1497962689d655
15470bca24e308
hex232a9d42264b

38665933956683 has 32 divisors (see below), whose sum is σ = 43359609666240. Its totient is φ = 34181609679360.

The previous prime is 38665933956673. The next prime is 38665933956731.

38665933956683 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 38665933956683 - 212 = 38665933952587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38665933956598 and 38665933956607.

It is not an unprimeable number, because it can be changed into a prime (38665933956673) 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, 35805773 + ... + 36869841.

It is an arithmetic number, because the mean of its divisors is an integer number (1354987802070).

Almost surely, 238665933956683 is an apocalyptic number.

38665933956683 is a deficient number, since it is larger than the sum of its proper divisors (4693675709557).

38665933956683 is a wasteful number, since it uses less digits than its factorization.

38665933956683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064687.

The product of its digits is 13604889600, while the sum is 80.

The spelling of 38665933956683 in words is "thirty-eight trillion, six hundred sixty-five billion, nine hundred thirty-three million, nine hundred fifty-six thousand, six hundred eighty-three".

Divisors: 1 11 53 157 397 583 1727 4367 8321 21041 62329 91531 231451 685619 1064069 3303437 11704759 36337807 56395657 167058833 422435393 620352227 1837647163 4646789323 8854118149 22389075829 66322356701 97395299639 246279834119 729545923711 3515084905153 38665933956683