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61541413602 = 2310256902267
BaseRepresentation
bin111001010100001001…
…110111001011100010
312212211221000201200220
4321110021313023202
52002014100213402
644134410023510
74306024245624
oct712411671342
9185757021626
1061541413602
11241105839a9
12bb16117b96
135a59bbc546
142d9b496c14
151902c2cdbc
hexe542772e2

61541413602 has 8 divisors (see below), whose sum is σ = 123082827216. Its totient is φ = 20513804532.

The previous prime is 61541413589. The next prime is 61541413603. The reversal of 61541413602 is 20631414516.

61541413602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

61541413602 is an admirable number.

It is a super-2 number, since 2×615414136022 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61541413603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5128451128 + ... + 5128451139.

It is an arithmetic number, because the mean of its divisors is an integer number (15385353402).

Almost surely, 261541413602 is an apocalyptic number.

61541413602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61541413602 is a wasteful number, since it uses less digits than its factorization.

61541413602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10256902272.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 61541413602 in words is "sixty-one billion, five hundred forty-one million, four hundred thirteen thousand, six hundred two".

Divisors: 1 2 3 6 10256902267 20513804534 30770706801 61541413602