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800042861437 = 19533671216421
BaseRepresentation
bin10111010010001100100…
…01010100001101111101
32211111001100210022211021
423221012101110031331
5101101441433031222
61411311251024141
7111541544055331
oct13510621241575
92744040708737
10800042861437
1128932937a176
1210b07889b051
135a59cb05781
142aa17d217c1
1515c26e5bac7
hexba4645437d

800042861437 has 16 divisors (see below), whose sum is σ = 858277710720. Its totient is φ = 743428670400.

The previous prime is 800042861389. The next prime is 800042861459. The reversal of 800042861437 is 734168240008.

800042861437 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 not a de Polignac number, because 800042861437 - 211 = 800042859389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 800042861393 and 800042861402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800042861537) 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, 3588487 + ... + 3804907.

It is an arithmetic number, because the mean of its divisors is an integer number (53642356920).

Almost surely, 2800042861437 is an apocalyptic number.

It is an amenable number.

800042861437 is a deficient number, since it is larger than the sum of its proper divisors (58234849283).

800042861437 is a wasteful number, since it uses less digits than its factorization.

800042861437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220164.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 800042861437 in words is "eight hundred billion, forty-two million, eight hundred sixty-one thousand, four hundred thirty-seven".

Divisors: 1 19 53 1007 3671 69749 194563 216421 3696697 4111999 11470313 217935947 794481491 15095148329 42107519023 800042861437