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38789130205 = 574494795153
BaseRepresentation
bin100100001000000000…
…110010011111011101
310201010021120222102001
4210020000302133131
51113420004131310
625453001402301
72542142111110
oct441000623735
9121107528361
1038789130205
11154a54a8701
127626499391
133872253667
141c3d84c577
15102055093a
hex9080327dd

38789130205 has 32 divisors (see below), whose sum is σ = 53436672000. Its totient is φ = 26478477312.

The previous prime is 38789130203. The next prime is 38789130269. The reversal of 38789130205 is 50203198783.

It is not a de Polignac number, because 38789130205 - 21 = 38789130203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38789130203) 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, 7524909 + ... + 7530061.

It is an arithmetic number, because the mean of its divisors is an integer number (1669896000).

Almost surely, 238789130205 is an apocalyptic number.

38789130205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38789130205 is a deficient number, since it is larger than the sum of its proper divisors (14647541795).

38789130205 is a wasteful number, since it uses less digits than its factorization.

38789130205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 38789130205 in words is "thirty-eight billion, seven hundred eighty-nine million, one hundred thirty thousand, two hundred five".

Divisors: 1 5 7 35 449 479 2245 2395 3143 3353 5153 15715 16765 25765 36071 180355 215071 1075355 1505497 2313697 2468287 7527485 11568485 12341435 16195879 17278009 80979395 86390045 1108260863 5541304315 7757826041 38789130205