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561332565482087 = 72771523190082671
BaseRepresentation
bin111111110100001110110110…
…0001010101001101001100111
32201121111212110122000111211002
41333220131230022221221213
51042033333043230411322
65305504342015103515
7226143640155001340
oct17750355412515147
92647455418014732
10561332565482087
11152948893339823
1252b5a018511b9b
131b12a58407a129
149c888d93a10c7
1544d6835362c92
hex1fe876c2a9a67

561332565482087 has 16 divisors (see below), whose sum is σ = 644261646492672. Its totient is φ = 479090444113440.

The previous prime is 561332565482083. The next prime is 561332565482111. The reversal of 561332565482087 is 780284565233165.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 561332565482087 - 22 = 561332565482083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561332565482083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92088239 + ... + 97994432.

It is an arithmetic number, because the mean of its divisors is an integer number (40266352905792).

Almost surely, 2561332565482087 is an apocalyptic number.

561332565482087 is a deficient number, since it is larger than the sum of its proper divisors (82929081010585).

561332565482087 is a wasteful number, since it uses less digits than its factorization.

561332565482087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190084478.

The product of its (nonzero) digits is 290304000, while the sum is 65.

The spelling of 561332565482087 in words is "five hundred sixty-one trillion, three hundred thirty-two billion, five hundred sixty-five million, four hundred eighty-two thousand, eighty-seven".

Divisors: 1 7 277 1523 1939 10661 421871 2953097 190082671 1330578697 52652899867 289495907933 368570299069 2026471355531 80190366497441 561332565482087