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561557080193 = 21126571001659
BaseRepresentation
bin10000010101111110110…
…10010000100010000001
31222200110212201101110112
420022333122100202001
533200032103031233
61105550433041105
755366623265424
oct10127732204201
91880425641415
10561557080193
111a717837199a
1290a003b6195
1340c54364195
141d2727d79bb
15e919e08048
hex82bf690881

561557080193 has 8 divisors (see below), whose sum is σ = 564431403360. Its totient is φ = 558684766080.

The previous prime is 561557080187. The next prime is 561557080223. The reversal of 561557080193 is 391080755165.

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 561557080193 - 218 = 561556818049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561557080103) 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, 59798 + ... + 1061456.

It is an arithmetic number, because the mean of its divisors is an integer number (70553925420).

Almost surely, 2561557080193 is an apocalyptic number.

It is an amenable number.

561557080193 is a deficient number, since it is larger than the sum of its proper divisors (2874323167).

561557080193 is a wasteful number, since it uses less digits than its factorization.

561557080193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004527.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 561557080193 in words is "five hundred sixty-one billion, five hundred fifty-seven million, eighty thousand, one hundred ninety-three".

Divisors: 1 211 2657 560627 1001659 211350049 2661407963 561557080193