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90236427841 = 731415836073
BaseRepresentation
bin101010000001010000…
…0101001111001000001
322121220201202111011001
41110002200221321001
52434301011142331
6105242023452001
76343066660360
oct1240240517101
9277821674131
1090236427841
11352a61248aa
12155a3bb7001
138680ac2201
1445204837d7
152531ece561
hex1502829e41

90236427841 has 8 divisors (see below), whose sum is σ = 106454034944. Its totient is φ = 74850492960.

The previous prime is 90236427829. The next prime is 90236427847. The reversal of 90236427841 is 14872463209.

It is a happy number.

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 90236427841 - 219 = 90235903553 is a prime.

It is a super-2 number, since 2×902364278412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90236427791 and 90236427800.

It is not an unprimeable number, because it can be changed into a prime (90236427847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207917820 + ... + 207918253.

It is an arithmetic number, because the mean of its divisors is an integer number (13306754368).

Almost surely, 290236427841 is an apocalyptic number.

It is an amenable number.

90236427841 is a deficient number, since it is larger than the sum of its proper divisors (16217607103).

90236427841 is a wasteful number, since it uses less digits than its factorization.

90236427841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415836111.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 90236427841 in words is "ninety billion, two hundred thirty-six million, four hundred twenty-seven thousand, eight hundred forty-one".

Divisors: 1 7 31 217 415836073 2910852511 12890918263 90236427841