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83440003700 = 22521826945673
BaseRepresentation
bin100110110110101101…
…0010110101001110100
321222101002002100221102
41031231122112221310
52331341120104300
6102155400505232
76012502220624
oct1155532265164
9258332070842
1083440003700
1132428785849
1214207a7b218
137b39a26071
14407799a884
1522854c90d5
hex136d696a74

83440003700 has 36 divisors (see below), whose sum is σ = 181078683660. Its totient is φ = 33373443840.

The previous prime is 83440003697. The next prime is 83440003711. The reversal of 83440003700 is 730004438.

It can be written as a sum of positive squares in 6 ways, for example, as 4696909156 + 78743094544 = 68534^2 + 280612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1804064 + ... + 1849736.

It is an arithmetic number, because the mean of its divisors is an integer number (5029963435).

Almost surely, 283440003700 is an apocalyptic number.

It is an amenable number.

83440003700 is an abundant number, since it is smaller than the sum of its proper divisors (97638679960).

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

83440003700 is a wasteful number, since it uses less digits than its factorization.

83440003700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63956 (or 63949 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 83440003700 in words is "eighty-three billion, four hundred forty million, three thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 18269 36538 45673 73076 91345 91346 182690 182692 228365 365380 456725 456730 913450 913460 1141825 1826900 2283650 4567300 834400037 1668800074 3337600148 4172000185 8344000370 16688000740 20860000925 41720001850 83440003700