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42999224520 = 233571929611523
BaseRepresentation
bin101000000010111101…
…000001100011001000
311002222200121221002010
4220002331001203020
51201030300141040
631430434335520
73051363243420
oct500275014310
9132880557063
1042999224520
1117265a3989a
12840042a5a0
134093554b25
14211ca51480
1511b9e75e80
hexa02f418c8

42999224520 has 512 divisors, whose sum is σ = 163275264000. Its totient is φ = 8836853760.

The previous prime is 42999224483. The next prime is 42999224531. The reversal of 42999224520 is 2542299924.

It is a self number, because there is not a number n which added to its sum of digits gives 42999224520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28232479 + ... + 28234001.

It is an arithmetic number, because the mean of its divisors is an integer number (318897000).

Almost surely, 242999224520 is an apocalyptic number.

42999224520 is a gapful number since it is divisible by the number (40) 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 42999224520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81637632000).

42999224520 is an abundant number, since it is smaller than the sum of its proper divisors (120276039480).

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

42999224520 is a wasteful number, since it uses less digits than its factorization.

42999224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 42999224520 in words is "forty-two billion, nine hundred ninety-nine million, two hundred twenty-four thousand, five hundred twenty".