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557869130910 = 23257131711093613
BaseRepresentation
bin10000001111000111001…
…01110110010010011110
31222022221212012011010100
420013203211312102132
533120003444142120
61104140451321530
755206342241620
oct10074345662236
91868855164110
10557869130910
111a5655643023
12901512b02a6
13407b729c680
141d002ab2c10
15e7a1272490
hex81e397649e

557869130910 has 384 divisors, whose sum is σ = 1892419925760. Its totient is φ = 110649950208.

The previous prime is 557869130909. The next prime is 557869130911. The reversal of 557869130910 is 19031968755.

557869130910 is a `hidden beast` number, since 5 + 578 + 69 + 1 + 3 + 0 + 9 + 1 + 0 = 666.

557869130910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (557869130909) and next prime (557869130911).

It is a super-2 number, since 2×5578691309102 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557869130911) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 154404264 + ... + 154407876.

It is an arithmetic number, because the mean of its divisors is an integer number (4928176890).

Almost surely, 2557869130910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557869130910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946209962880).

557869130910 is an abundant number, since it is smaller than the sum of its proper divisors (1334550794850).

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

557869130910 is a wasteful number, since it uses less digits than its factorization.

557869130910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772 (or 4769 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 557869130910 in words is "five hundred fifty-seven billion, eight hundred sixty-nine million, one hundred thirty thousand, nine hundred ten".