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90086650704031 = 223940235216929
BaseRepresentation
bin10100011110111011101110…
…110100000111000010011111
3102210222012101120200010020211
4110132323232310013002133
543301434430040012111
6515333122550553251
724655355120353132
oct2436735664070237
9383865346603224
1090086650704031
112678259684a653
12a12b491068827
133b36199c5a877
141836307c52219
15a63561b69521
hex51eeeed0709f

90086650704031 has 4 divisors (see below), whose sum is σ = 90126885923200. Its totient is φ = 90046415484864.

The previous prime is 90086650704007. The next prime is 90086650704047. The reversal of 90086650704031 is 13040705668009.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90086650704031 - 217 = 90086650572959 is a prime.

It is a super-2 number, since 2×900866507040312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90086650701031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20117606226 + ... + 20117610703.

It is an arithmetic number, because the mean of its divisors is an integer number (22531721480800).

Almost surely, 290086650704031 is an apocalyptic number.

90086650704031 is a deficient number, since it is larger than the sum of its proper divisors (40235219169).

90086650704031 is a wasteful number, since it uses less digits than its factorization.

90086650704031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40235219168.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 90086650704031 in words is "ninety trillion, eighty-six billion, six hundred fifty million, seven hundred four thousand, thirty-one".

Divisors: 1 2239 40235216929 90086650704031