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1420238685832 = 231371295838217
BaseRepresentation
bin10100101010101100110…
…100101000011010001000
312000202212212122120010121
4110222230310220122020
5141232122100421312
63004240523553024
7204415560434011
oct24525464503210
95022785576117
101420238685832
114a835779252a
121ab30308b774
13a3c0a892415
144ca504a4008
1526e24d27707
hex14aacd28688

1420238685832 has 16 divisors (see below), whose sum is σ = 2682385111260. Its totient is φ = 704935989504.

The previous prime is 1420238685829. The next prime is 1420238685857. The reversal of 1420238685832 is 2385868320241.

It can be written as a sum of positive squares in 2 ways, for example, as 1281075367716 + 139163318116 = 1131846^2 + 373046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1420238685832.

It is an unprimeable number.

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, 647918013 + ... + 647920204.

Almost surely, 21420238685832 is an apocalyptic number.

It is an amenable number.

1420238685832 is a deficient number, since it is larger than the sum of its proper divisors (1262146425428).

1420238685832 is a wasteful number, since it uses less digits than its factorization.

1420238685832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295838360 (or 1295838356 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 1420238685832 in words is "one trillion, four hundred twenty billion, two hundred thirty-eight million, six hundred eighty-five thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 137 274 548 1096 1295838217 2591676434 5183352868 10366705736 177529835729 355059671458 710119342916 1420238685832