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3783640903 = 75319751769
BaseRepresentation
bin1110000110000101…
…1100011101000111
3100202200120212120021
43201201130131013
530222103002103
61423240320011
7162522263020
oct34141343507
910680525507
103783640903
111671848459
12897173007
13483b5a293
1427c713c47
15172288bbd
hexe185c747

3783640903 has 16 divisors (see below), whose sum is σ = 4428198720. Its totient is φ = 3165716736.

The previous prime is 3783640807. The next prime is 3783640909. The reversal of 3783640903 is 3090463873.

3783640903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3783640903 - 217 = 3783509831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3783640903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3783640909) 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, 47203 + ... + 98971.

It is an arithmetic number, because the mean of its divisors is an integer number (276762420).

Almost surely, 23783640903 is an apocalyptic number.

3783640903 is a deficient number, since it is larger than the sum of its proper divisors (644557817).

3783640903 is a wasteful number, since it uses less digits than its factorization.

3783640903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52026.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 3783640903 is about 61511.3071150337. The cubic root of 3783640903 is about 1558.2482120554.

The spelling of 3783640903 in words is "three billion, seven hundred eighty-three million, six hundred forty thousand, nine hundred three".

Divisors: 1 7 53 197 371 1379 10441 51769 73087 362383 2743757 10198493 19206299 71389451 540520129 3783640903