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2551560114581 = 86322111133717
BaseRepresentation
bin100101001000010100110…
…101011001000110010101
3100000221000121111202200222
4211020110311121012111
5313301043342131311
65232100500244125
7352226016060242
oct45102465310625
910027017452628
102551560114581
118a4124190525
123526143a0645
131567c373128a
148b6d36b45c9
154658a426adb
hex25214d59195

2551560114581 has 8 divisors (see below), whose sum is σ = 2554651367424. Its totient is φ = 2548469175120.

The previous prime is 2551560114569. The next prime is 2551560114611. The reversal of 2551560114581 is 1854110651552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2551560114581 is a prime.

It is a super-2 number, since 2×25515601145812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551560114781) 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, 19014935 + ... + 19148651.

It is an arithmetic number, because the mean of its divisors is an integer number (319331420928).

Almost surely, 22551560114581 is an apocalyptic number.

It is an amenable number.

2551560114581 is a deficient number, since it is larger than the sum of its proper divisors (3091252843).

2551560114581 is a wasteful number, since it uses less digits than its factorization.

2551560114581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156691.

The product of its (nonzero) digits is 240000, while the sum is 44.

The spelling of 2551560114581 in words is "two trillion, five hundred fifty-one billion, five hundred sixty million, one hundred fourteen thousand, five hundred eighty-one".

Divisors: 1 863 22111 133717 19081793 115397771 2956616587 2551560114581