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685111150708 = 221720233497957
BaseRepresentation
bin10011111100000111100…
…11101000100001110100
32102111101120111111011021
421332003303220201310
542211101423310313
61242422525350524
7100332456460435
oct11760363504164
92374346444137
10685111150708
11244610424876
12b0942408444
134c7b4969c4a
1425233b7548c
1512c4bdeb78d
hex9f83ce8874

685111150708 has 24 divisors (see below), whose sum is σ = 1269535953672. Its totient is φ = 322388665344.

The previous prime is 685111150693. The next prime is 685111150727. The reversal of 685111150708 is 807051111586.

685111150708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 246520194064 + 438590956644 = 496508^2 + 662262^2 .

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, 1126866 + ... + 1624822.

It is an arithmetic number, because the mean of its divisors is an integer number (52897331403).

Almost surely, 2685111150708 is an apocalyptic number.

685111150708 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

685111150708 is a deficient number, since it is larger than the sum of its proper divisors (584424802964).

685111150708 is a wasteful number, since it uses less digits than its factorization.

685111150708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518211 (or 518209 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 43.

The spelling of 685111150708 in words is "six hundred eighty-five billion, one hundred eleven million, one hundred fifty thousand, seven hundred eight".

Divisors: 1 2 4 17 34 68 20233 40466 80932 343961 497957 687922 995914 1375844 1991828 8465269 16930538 33861076 10075163981 20150327962 40300655924 171277787677 342555575354 685111150708