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3941881493 = 11219471912
BaseRepresentation
bin1110101011110100…
…0101011010010101
3101011201100022211212
43222331011122111
531033110201433
61451052111205
7166453303604
oct35275053225
911151308755
103941881493
1117430a8a00
12920165505
134aa882c74
14295745a3b
151810e4d48
hexeaf45695

3941881493 has 36 divisors (see below), whose sum is σ = 4682408640. Its totient is φ = 3305293200.

The previous prime is 3941881487. The next prime is 3941881501.

3941881493 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3941881493 - 218 = 3941619349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3941881453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20638028 + ... + 20638218.

Almost surely, 23941881493 is an apocalyptic number.

It is an amenable number.

3941881493 is a deficient number, since it is larger than the sum of its proper divisors (740527147).

3941881493 is a wasteful number, since it uses less digits than its factorization.

3941881493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 268 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 3941881493 is about 62784.4048550275. The cubic root of 3941881493 is about 1579.6753983868.

The spelling of 3941881493 in words is "three billion, nine hundred forty-one million, eight hundred eighty-one thousand, four hundred ninety-three".

Divisors: 1 11 19 47 121 191 209 517 893 2101 2299 3629 5687 8977 9823 23111 36481 39919 98747 108053 170563 401291 439109 693139 1086217 1714607 1876193 4414201 7624529 18860677 20638123 32577533 83869819 207467447 358352863 3941881493