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2871998298989 = 31475933409703
BaseRepresentation
bin101001110010110000011…
…100000011101101101101
3101011120010111111010200222
4221302300130003231231
5334023323031031424
610035213334501125
7414331536515231
oct51626034035555
911146114433628
102871998298989
11a0800a192216
123a47425047a5
1317aa9c958411
149d010da25c1
154ea92058e5e
hex29cb0703b6d

2871998298989 has 16 divisors (see below), whose sum is σ = 3079038320640. Its totient is φ = 2674112548080.

The previous prime is 2871998298941. The next prime is 2871998299081. The reversal of 2871998298989 is 9898928991782.

2871998298989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2871998298989 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 (2871998297989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16618889 + ... + 16790814.

It is an arithmetic number, because the mean of its divisors is an integer number (192439895040).

Almost surely, 22871998298989 is an apocalyptic number.

It is an amenable number.

2871998298989 is a deficient number, since it is larger than the sum of its proper divisors (207040021651).

2871998298989 is a wasteful number, since it uses less digits than its factorization.

2871998298989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33409840.

The product of its digits is 6772211712, while the sum is 89.

The spelling of 2871998298989 in words is "two trillion, eight hundred seventy-one billion, nine hundred ninety-eight million, two hundred ninety-eight thousand, nine hundred eighty-nine".

Divisors: 1 31 47 59 1457 1829 2773 85963 33409703 1035700793 1570256041 1971172477 48677937271 61106346787 92645106419 2871998298989