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3121041629 is a prime number
BaseRepresentation
bin1011101000000111…
…0101000011011101
322001111210100020102
42322001311003131
522342441313004
61233410430445
7140225262506
oct27201650335
98044710212
103121041629
111361823852
12731292425
133a97b45c4
14218713bad
1513400311e
hexba0750dd

3121041629 has 2 divisors, whose sum is σ = 3121041630. Its totient is φ = 3121041628.

The previous prime is 3121041571. The next prime is 3121041659. The reversal of 3121041629 is 9261401213.

3121041629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2510210404 + 610831225 = 50102^2 + 24715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3121041629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121041659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560520814 + 1560520815.

It is an arithmetic number, because the mean of its divisors is an integer number (1560520815).

Almost surely, 23121041629 is an apocalyptic number.

It is an amenable number.

3121041629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121041629 is an equidigital number, since it uses as much as digits as its factorization.

3121041629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3121041629 is about 55866.2834722339. The cubic root of 3121041629 is about 1461.3913097756.

The spelling of 3121041629 in words is "three billion, one hundred twenty-one million, forty-one thousand, six hundred twenty-nine".