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3104123421 = 37147815401
BaseRepresentation
bin1011100100000101…
…0010101000011101
322000022221210211010
42321001102220131
522324123422141
61232004045433
7136631420340
oct27101225035
98008853733
103104123421
111353218963
12727693879
133a613cb29
1421638c457
151327b0416
hexb9052a1d

3104123421 has 8 divisors (see below), whose sum is σ = 4730092864. Its totient is φ = 1773784800.

The previous prime is 3104123411. The next prime is 3104123437. The reversal of 3104123421 is 1243214013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3104123421 - 25 = 3104123389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 147815401 = 3104123421 / (3 + 1 + 0 + 4 + 1 + 2 + 3 + 4 + 2 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3104123411) 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, 73907680 + ... + 73907721.

It is an arithmetic number, because the mean of its divisors is an integer number (591261608).

Almost surely, 23104123421 is an apocalyptic number.

It is an amenable number.

3104123421 is a deficient number, since it is larger than the sum of its proper divisors (1625969443).

3104123421 is a wasteful number, since it uses less digits than its factorization.

3104123421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147815411.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3104123421 is about 55714.6607366499. The cubic root of 3104123421 is about 1458.7459396211.

Adding to 3104123421 its reverse (1243214013), we get a palindrome (4347337434).

The spelling of 3104123421 in words is "three billion, one hundred four million, one hundred twenty-three thousand, four hundred twenty-one".

Divisors: 1 3 7 21 147815401 443446203 1034707807 3104123421