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42463889041728 = 263711171943206803
BaseRepresentation
bin10011010011110111001010…
…00001011010100101000000
312120100111201102211211100010
421221323211001122211000
521031212021043313403
6230151350305224520
711641625520251430
oct1151734501324500
9176314642754303
1042463889041728
111259191a372990
124919952632140
131a9043483946b
14a6b3982d02c0
154d98b349e603
hex269ee505a940

42463889041728 has 896 divisors, whose sum is σ = 159753012756480. Its totient is φ = 9605671649280.

The previous prime is 42463889041669. The next prime is 42463889041729. The reversal of 42463889041728 is 82714098836424.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42463889041729) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 205231575 + ... + 205438377.

Almost surely, 242463889041728 is an apocalyptic number.

42463889041728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42463889041728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79876506378240).

42463889041728 is an abundant number, since it is smaller than the sum of its proper divisors (117289123714752).

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

42463889041728 is a wasteful number, since it uses less digits than its factorization.

42463889041728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206915 (or 206905 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 66.

The spelling of 42463889041728 in words is "forty-two trillion, four hundred sixty-three billion, eight hundred eighty-nine million, forty-one thousand, seven hundred twenty-eight".