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3901885309 = 75443102409
BaseRepresentation
bin1110100010010010…
…0000101101111101
3101001221002022101201
43220210200231331
530442340312214
61443102535501
7165456322630
oct35044405575
911057068351
103901885309
111722570203
1290a897591
134a24bb09a
142902d3c17
1517c844274
hexe8920b7d

3901885309 has 8 divisors (see below), whose sum is σ = 4460160320. Its totient is φ = 3343826016.

The previous prime is 3901885303. The next prime is 3901885349. The reversal of 3901885309 is 9035881093.

3901885309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3901885309 - 29 = 3901884797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901885303) 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, 13104 + ... + 89305.

It is an arithmetic number, because the mean of its divisors is an integer number (557520040).

Almost surely, 23901885309 is an apocalyptic number.

It is an amenable number.

3901885309 is a deficient number, since it is larger than the sum of its proper divisors (558275011).

3901885309 is a wasteful number, since it uses less digits than its factorization.

3901885309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107859.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 3901885309 is about 62465.0727126768. The cubic root of 3901885309 is about 1574.3145160460.

The spelling of 3901885309 in words is "three billion, nine hundred one million, eight hundred eighty-five thousand, three hundred nine".

Divisors: 1 7 5443 38101 102409 716863 557412187 3901885309