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38083550143 = 293797365903
BaseRepresentation
bin100011011101111101…
…001101101110111111
310122022002220210112011
4203131331031232333
51110443342101033
625254554352051
72515513556302
oct433575155677
9118262823464
1038083550143
1115173197991
12746a12b627
13378c00c472
141bb3c60b39
15ecd629ccd
hex8ddf4dbbf

38083550143 has 16 divisors (see below), whose sum is σ = 40878794880. Its totient is φ = 35407604736.

The previous prime is 38083550123. The next prime is 38083550171. The reversal of 38083550143 is 34105538083.

It is a cyclic number.

It is not a de Polignac number, because 38083550143 - 25 = 38083550111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38083550096 and 38083550105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38083550123) 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, 78871 + ... + 287032.

It is an arithmetic number, because the mean of its divisors is an integer number (2554924680).

Almost surely, 238083550143 is an apocalyptic number.

38083550143 is a deficient number, since it is larger than the sum of its proper divisors (2795244737).

38083550143 is a wasteful number, since it uses less digits than its factorization.

38083550143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366066.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 38083550143 in words is "thirty-eight billion, eighty-three million, five hundred fifty thousand, one hundred forty-three".

Divisors: 1 29 37 97 1073 2813 3589 104081 365903 10611187 13538411 35492591 392613919 1029285139 1313225867 38083550143