Search a number
-
+
6857506632828 = 2233167180441707
BaseRepresentation
bin110001111001010001100…
…1111110011010001111100
3220021120102102112220212210
41203302203033303101330
51344323133144222303
622330143422100420
71305303256425645
oct143624317632174
926246372486783
106857506632828
1122042857a0585
1292904511a710
133a987731a257
14199c958026cc
15bd5a5b62203
hex63ca33f347c

6857506632828 has 24 divisors (see below), whose sum is σ = 16005901266432. Its totient is φ = 2285113764784.

The previous prime is 6857506632793. The next prime is 6857506632833. The reversal of 6857506632828 is 8282366057586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90182850 + ... + 90258857.

It is an arithmetic number, because the mean of its divisors is an integer number (666912552768).

Almost surely, 26857506632828 is an apocalyptic number.

It is an amenable number.

6857506632828 is an abundant number, since it is smaller than the sum of its proper divisors (9148394633604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6857506632828 is a wasteful number, since it uses less digits than its factorization.

6857506632828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180444881 (or 180444879 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 66.

The spelling of 6857506632828 in words is "six trillion, eight hundred fifty-seven billion, five hundred six million, six hundred thirty-two thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 3167 6334 9501 12668 19002 38004 180441707 360883414 541325121 721766828 1082650242 2165300484 571458886069 1142917772138 1714376658207 2285835544276 3428753316414 6857506632828