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90024060586201 = 7213554432
BaseRepresentation
bin10100011110000001011100…
…001001110000100011011001
3102210202012211120022200210121
4110132001130021300203121
543244423234002224301
6515244252115313241
724651011100213400
oct2436013411604331
9383665746280717
1090024060586201
1126758a98307745
12a11b3238ab821
133b30303a0a7a1
14183328b3b0637
15a61aebd393a1
hex51e05c2708d9

90024060586201 has 9 divisors (see below), whose sum is σ = 104721943656501. Its totient is φ = 77163423573852.

The previous prime is 90024060586193. The next prime is 90024060586231. The reversal of 90024060586201 is 10268506042009.

The square root of 90024060586201 is 9488101.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 90024060586201 - 23 = 90024060586193 is a prime.

It is a super-2 number, since 2×900240605862012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90024060586231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65738986 + ... + 67094428.

It is an arithmetic number, because the mean of its divisors is an integer number (11635771517389).

Almost surely, 290024060586201 is an apocalyptic number.

90024060586201 is the 9488101-st square number.

90024060586201 is the 4744051-st centered octagonal number.

It is an amenable number.

90024060586201 is a deficient number, since it is larger than the sum of its proper divisors (14697883070300).

90024060586201 is an frugal number, since it uses more digits than its factorization.

90024060586201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710900 (or 1355450 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 90024060586201 in words is "ninety trillion, twenty-four billion, sixty million, five hundred eighty-six thousand, two hundred one".

Divisors: 1 7 49 1355443 9488101 66416707 1837225726249 12860580083743 90024060586201