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3121045046 = 27222931789
BaseRepresentation
bin1011101000000111…
…0101111000110110
322001111210111220222
42322001311320312
522342441420141
61233410454342
7140225305460
oct27201657066
98044714828
103121045046
111361826379
127312943b2
133a97b6022
14218715130
1513400414b
hexba075e36

3121045046 has 8 divisors (see below), whose sum is σ = 5350362960. Its totient is φ = 1337590728.

The previous prime is 3121045043. The next prime is 3121045093. The reversal of 3121045046 is 6405401213.

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

It is a super-2 number, since 2×31210450462 = 19481844358322284232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121045043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111465881 + ... + 111465908.

It is an arithmetic number, because the mean of its divisors is an integer number (668795370).

Almost surely, 23121045046 is an apocalyptic number.

3121045046 is a deficient number, since it is larger than the sum of its proper divisors (2229317914).

3121045046 is a wasteful number, since it uses less digits than its factorization.

3121045046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222931798.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3121045046 is about 55866.3140541776. The cubic root of 3121045046 is about 1461.3918430988.

Adding to 3121045046 its reverse (6405401213), we get a palindrome (9526446259).

The spelling of 3121045046 in words is "three billion, one hundred twenty-one million, forty-five thousand, forty-six".

Divisors: 1 2 7 14 222931789 445863578 1560522523 3121045046