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90507643383 = 367450286783
BaseRepresentation
bin101010001001010101…
…1010000100111110111
322122121122002122221010
41110102223100213313
52440324424042013
6105324552523303
76352602163263
oct1242253204767
9278548078833
1090507643383
1135425229083
121565a9b0533
1386c5052391
1445484c30a3
15254ac047c3
hex1512ad09f7

90507643383 has 8 divisors (see below), whose sum is σ = 122478005248. Its totient is φ = 59437855224.

The previous prime is 90507643319. The next prime is 90507643393. The reversal of 90507643383 is 38334670509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90507643383 - 26 = 90507643319 is a prime.

It is a super-3 number, since 3×905076433833 (a number of 34 digits) contains 333 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 (90507643393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225143191 + ... + 225143592.

It is an arithmetic number, because the mean of its divisors is an integer number (15309750656).

Almost surely, 290507643383 is an apocalyptic number.

90507643383 is a deficient number, since it is larger than the sum of its proper divisors (31970361865).

90507643383 is a wasteful number, since it uses less digits than its factorization.

90507643383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450286853.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 90507643383 in words is "ninety billion, five hundred seven million, six hundred forty-three thousand, three hundred eighty-three".

Divisors: 1 3 67 201 450286783 1350860349 30169214461 90507643383