Search a number
-
+
561112793080 = 235731241181281
BaseRepresentation
bin10000010101001001110…
…11011011111111111000
31222122022220201021010021
420022210323123333320
533143124333334310
61105434402300224
755352620021630
oct10124473337770
91878286637107
10561112793080
111a6a6a5a8464
12908b7657674
1340bb32b78b8
141d22d7c56c0
15e8e0de75da
hex82a4edbff8

561112793080 has 384 divisors, whose sum is σ = 1541173495680. Its totient is φ = 179988480000.

The previous prime is 561112793071. The next prime is 561112793081. The reversal of 561112793080 is 80397211165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561112793081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1996842540 + ... + 1996842820.

It is an arithmetic number, because the mean of its divisors is an integer number (4013472645).

Almost surely, 2561112793080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561112793080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770586747840).

561112793080 is an abundant number, since it is smaller than the sum of its proper divisors (980060702600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561112793080 is a wasteful number, since it uses less digits than its factorization.

561112793080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 561112793080 in words is "five hundred sixty-one billion, one hundred twelve million, seven hundred ninety-three thousand, eighty".