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450145602126020 = 22552177431364013
BaseRepresentation
bin110011001011001111011000…
…0101101100100000011000100
32012000211111110222111202012202
41212112132300231210003010
5433000141143121013040
64233214011303134032
7163546642441122623
oct14626366055440304
92160744428452182
10450145602126020
11120480750146039
12425a1297444318
1316423718352a88
147d232404bd6ba
1537094c0704015
hex19967b0b640c4

450145602126020 has 24 divisors (see below), whose sum is σ = 945323883944664. Its totient is φ = 180054789520896.

The previous prime is 450145602125953. The next prime is 450145602126037. The reversal of 450145602126020 is 20621206541054.

It can be written as a sum of positive squares in 4 ways, for example, as 12993443948164 + 437152158177856 = 3604642^2 + 20908184^2 .

It is a super-3 number, since 3×4501456021260203 (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214638467 + ... + 216725546.

It is an arithmetic number, because the mean of its divisors is an integer number (39388495164361).

Almost surely, 2450145602126020 is an apocalyptic number.

It is an amenable number.

450145602126020 is an abundant number, since it is smaller than the sum of its proper divisors (495178281818644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450145602126020 is a wasteful number, since it uses less digits than its factorization.

450145602126020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431416199 (or 431416197 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 450145602126020 its reverse (20621206541054), we get a palindrome (470766808667074).

The spelling of 450145602126020 in words is "four hundred fifty trillion, one hundred forty-five billion, six hundred two million, one hundred twenty-six thousand, twenty".

Divisors: 1 2 4 5 10 20 52177 104354 208708 260885 521770 1043540 431364013 862728026 1725456052 2156820065 4313640130 8627280260 22507280106301 45014560212602 90029120425204 112536400531505 225072801063010 450145602126020