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104280704618 = 252140352309
BaseRepresentation
bin110000100011110011…
…1010100011001101010
3100222011111112200001012
41201013213110121222
53202031330021433
6115523401223522
710351113235616
oct1410747243152
9328144480035
10104280704618
1140252814912
1218263491ba2
139aab63445c
1450937a4346
152aa4e5b848
hex18479d466a

104280704618 has 4 divisors (see below), whose sum is σ = 156421056930. Its totient is φ = 52140352308.

The previous prime is 104280704611. The next prime is 104280704623. The reversal of 104280704618 is 816407082401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 816407082401 = 3358932430557.

It can be written as a sum of positive squares in only one way, i.e., 100918676329 + 3362028289 = 317677^2 + 57983^2 .

It is not an unprimeable number, because it can be changed into a prime (104280704611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26070176153 + ... + 26070176156.

Almost surely, 2104280704618 is an apocalyptic number.

104280704618 is a deficient number, since it is larger than the sum of its proper divisors (52140352312).

104280704618 is an equidigital number, since it uses as much as digits as its factorization.

104280704618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52140352311.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 104280704618 in words is "one hundred four billion, two hundred eighty million, seven hundred four thousand, six hundred eighteen".

Divisors: 1 2 52140352309 104280704618