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90671672126 = 2729172220277
BaseRepresentation
bin101010001110001110…
…0111110101100111110
322200001001202012001202
41110130130332230332
52441143422002001
6105353132335502
76356633332220
oct1243434765476
9280031665052
1090671672126
11354a9882322
12156a5914592
1387200237c9
1445621c0410
15255a30596b
hex151c73eb3e

90671672126 has 16 divisors (see below), whose sum is σ = 155490508896. Its totient is φ = 38845948896.

The previous prime is 90671672089. The next prime is 90671672129. The reversal of 90671672126 is 62127617609.

It is a super-2 number, since 2×906716721262 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90671672129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069301 + ... + 1150976.

It is an arithmetic number, because the mean of its divisors is an integer number (9718156806).

Almost surely, 290671672126 is an apocalyptic number.

90671672126 is a deficient number, since it is larger than the sum of its proper divisors (64818836770).

90671672126 is a wasteful number, since it uses less digits than its factorization.

90671672126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223203.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 90671672126 in words is "ninety billion, six hundred seventy-one million, six hundred seventy-two thousand, one hundred twenty-six".

Divisors: 1 2 7 14 2917 5834 20419 40838 2220277 4440554 15541939 31083878 6476548009 12953096018 45335836063 90671672126