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90578489970313 = 213195562176387
BaseRepresentation
bin10100100110000101110010…
…101110000000111010001001
3102212201012220201000121101101
4110212011302232000322021
543333014221413022223
6520351103413221401
725036036264216102
oct2446056256007211
9385635821017341
1090578489970313
1126952138237014
12a1aa875031861
133b70690478b07
1418520452cb3a9
15a7124b1024ad
hex526172b80e89

90578489970313 has 8 divisors (see below), whose sum is σ = 90585553123520. Its totient is φ = 90571427123760.

The previous prime is 90578489970271. The next prime is 90578489970343. The reversal of 90578489970313 is 31307998487509.

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

It is a cyclic number.

It is not a de Polignac number, because 90578489970313 - 233 = 90569900035721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90578489970343) 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, 1185745906 + ... + 1185822292.

It is an arithmetic number, because the mean of its divisors is an integer number (11323194140440).

Almost surely, 290578489970313 is an apocalyptic number.

It is an amenable number.

90578489970313 is a deficient number, since it is larger than the sum of its proper divisors (7063153207).

90578489970313 is a wasteful number, since it uses less digits than its factorization.

90578489970313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153327.

The product of its (nonzero) digits is 411505920, while the sum is 73.

The spelling of 90578489970313 in words is "ninety trillion, five hundred seventy-eight billion, four hundred eighty-nine million, nine hundred seventy thousand, three hundred thirteen".

Divisors: 1 21319 55621 76387 1185784099 1628494453 4248721327 90578489970313