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1937214971705 = 513171753135721
BaseRepresentation
bin11100001100001011000…
…000101001111100111001
320212012021211201221121202
4130030023000221330321
5223214404013043310
64041535543543545
7256646664366236
oct34141300517471
96765254657552
101937214971705
11687628391852
1227354145abb5
131108a8b1c760
1469a9419278d
15355d0eeb3a5
hex1c30b029f39

1937214971705 has 16 divisors (see below), whose sum is σ = 2650741211664. Its totient is φ = 1346408232960.

The previous prime is 1937214971701. The next prime is 1937214971759. The reversal of 1937214971705 is 5071794127391.

It can be written as a sum of positive squares in 8 ways, for example, as 9804762361 + 1927410209344 = 99019^2 + 1388312^2 .

It is not a de Polignac number, because 1937214971705 - 22 = 1937214971701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1937214971701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876566756 + ... + 876568965.

It is an arithmetic number, because the mean of its divisors is an integer number (165671325729).

Almost surely, 21937214971705 is an apocalyptic number.

It is an amenable number.

1937214971705 is a deficient number, since it is larger than the sum of its proper divisors (713526239959).

1937214971705 is a wasteful number, since it uses less digits than its factorization.

1937214971705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753135756.

The product of its (nonzero) digits is 3333960, while the sum is 56.

The spelling of 1937214971705 in words is "one trillion, nine hundred thirty-seven billion, two hundred fourteen million, nine hundred seventy-one thousand, seven hundred five".

Divisors: 1 5 13 17 65 85 221 1105 1753135721 8765678605 22790764373 29803307257 113953821865 149016536285 387442994341 1937214971705