Search a number
-
+
3891104101 = 38031023167
BaseRepresentation
bin1110011111101101…
…1000100101100101
3101001011210120100201
43213323120211211
530432110312401
61442035510501
7165265560553
oct34773304545
911034716321
103891104101
111717477115
12907158431
134a01b4a81
1428cac8bd3
1517b914b01
hexe7ed8965

3891104101 has 4 divisors (see below), whose sum is σ = 3892131072. Its totient is φ = 3890077132.

The previous prime is 3891104081. The next prime is 3891104137. The reversal of 3891104101 is 1014011983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3891104101 - 211 = 3891102053 is a prime.

It is a super-2 number, since 2×38911041012 = 30281382249638036402, which contains 22 as substring.

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 3891104101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891104201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507781 + ... + 515386.

It is an arithmetic number, because the mean of its divisors is an integer number (973032768).

Almost surely, 23891104101 is an apocalyptic number.

It is an amenable number.

3891104101 is a deficient number, since it is larger than the sum of its proper divisors (1026971).

3891104101 is a wasteful number, since it uses less digits than its factorization.

3891104101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026970.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 3891104101 is about 62378.7151278383. The cubic root of 3891104101 is about 1572.8631946524.

The spelling of 3891104101 in words is "three billion, eight hundred ninety-one million, one hundred four thousand, one hundred one".

Divisors: 1 3803 1023167 3891104101