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5431346887680 = 2103557738543
BaseRepresentation
bin100111100001001010110…
…0000000111110000000000
3201020020020220101101100000
41033002111200013300000
51202441344300401210
615315043141200000
71100254560545220
oct117022540076000
921206226341300
105431346887680
11180446a7a55aa
1273876b100000
13305234b3b24c
1414ac42bdc080
15964360e6ac0
hex4f095807c00

5431346887680 has 1056 divisors, whose sum is σ = 22612752175104. Its totient is φ = 1224301215744.

The previous prime is 5431346887657. The next prime is 5431346887723. The reversal of 5431346887680 is 867886431345.

5431346887680 is a `hidden beast` number, since 5 + 4 + 3 + 13 + 468 + 87 + 6 + 80 = 666.

It is a super-2 number, since 2×54313468876802 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 635761489 + ... + 635770031.

Almost surely, 25431346887680 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 5431346887680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11306376087552).

5431346887680 is an abundant number, since it is smaller than the sum of its proper divisors (17181405287424).

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

5431346887680 is an equidigital number, since it uses as much as digits as its factorization.

5431346887680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8663 (or 8633 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 5431346887680 in words is "five trillion, four hundred thirty-one billion, three hundred forty-six million, eight hundred eighty-seven thousand, six hundred eighty".