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15155310140345 = 517178297766357
BaseRepresentation
bin1101110010001001111011…
…1000001001101110111001
31222122211111121202222020202
43130202132320021232321
53441301033343442340
652122130420531545
73122635466460434
oct334423670115671
958584447688222
1015155310140345
114913370526771
12184924a850bb5
1385c1a7968ccb
143a57415ba81b
151b435750dc15
hexdc89ee09bb9

15155310140345 has 8 divisors (see below), whose sum is σ = 19256158766664. Its totient is φ = 11411057046784.

The previous prime is 15155310140323. The next prime is 15155310140417. The reversal of 15155310140345 is 54304101355151.

It can be written as a sum of positive squares in 4 ways, for example, as 3656673291049 + 11498636849296 = 1912243^2 + 3390964^2 .

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 15155310140345 - 228 = 15155041704889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15155310140299 and 15155310140308.

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, 89148883094 + ... + 89148883263.

It is an arithmetic number, because the mean of its divisors is an integer number (2407019845833).

Almost surely, 215155310140345 is an apocalyptic number.

It is an amenable number.

15155310140345 is a deficient number, since it is larger than the sum of its proper divisors (4100848626319).

15155310140345 is a wasteful number, since it uses less digits than its factorization.

15155310140345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178297766379.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 15155310140345 its reverse (54304101355151), we get a palindrome (69459411495496).

The spelling of 15155310140345 in words is "fifteen trillion, one hundred fifty-five billion, three hundred ten million, one hundred forty thousand, three hundred forty-five".

Divisors: 1 5 17 85 178297766357 891488831785 3031062028069 15155310140345