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3120100141 = 4796513779
BaseRepresentation
bin1011100111111000…
…1111001100101101
322001110000111202111
42321332033030231
522342221201031
61233334324021
7140214261604
oct27176171455
98043014674
103120100141
111361240464
12730ab9611
133a9544c02
1421854aa3b
15133db91b1
hexb9f8f32d

3120100141 has 4 divisors (see below), whose sum is σ = 3126614400. Its totient is φ = 3113585884.

The previous prime is 3120100129. The next prime is 3120100189. The reversal of 3120100141 is 1410010213.

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 3120100141 - 221 = 3118002989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120100241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3256411 + ... + 3257368.

It is an arithmetic number, because the mean of its divisors is an integer number (781653600).

Almost surely, 23120100141 is an apocalyptic number.

It is an amenable number.

3120100141 is a deficient number, since it is larger than the sum of its proper divisors (6514259).

3120100141 is an equidigital number, since it uses as much as digits as its factorization.

3120100141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514258.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3120100141 is about 55857.8565736280. The cubic root of 3120100141 is about 1461.2443480753.

Adding to 3120100141 its reverse (1410010213), we get a palindrome (4530110354).

The spelling of 3120100141 in words is "three billion, one hundred twenty million, one hundred thousand, one hundred forty-one".

Divisors: 1 479 6513779 3120100141