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90126664014 = 2371331639169
BaseRepresentation
bin101001111101111110…
…1111100000101001110
322121122002012220111010
41103323331330011032
52434034411222024
6105223103110050
76340265001252
oct1237375740516
9277562186433
1090126664014
113524a1746a2
12155732a2326
1386641404ba
14450da70262
15252754bb29
hex14fbf7c14e

90126664014 has 32 divisors (see below), whose sum is σ = 183344636160. Its totient is φ = 29529561600.

The previous prime is 90126663983. The next prime is 90126664021. The reversal of 90126664014 is 41046662109.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178579 + ... + 460590.

It is an arithmetic number, because the mean of its divisors is an integer number (5729519880).

Almost surely, 290126664014 is an apocalyptic number.

90126664014 is an abundant number, since it is smaller than the sum of its proper divisors (93217972146).

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

90126664014 is a wasteful number, since it uses less digits than its factorization.

90126664014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639576.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 90126664014 in words is "ninety billion, one hundred twenty-six million, six hundred sixty-four thousand, fourteen".

Divisors: 1 2 3 6 71 142 213 331 426 662 993 1986 23501 47002 70503 141006 639169 1278338 1917507 3835014 45380999 90761998 136142997 211564939 272285994 423129878 634694817 1269389634 15021110669 30042221338 45063332007 90126664014