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42994345800 = 23352726338923
BaseRepresentation
bin101000000010101010…
…011010011101001000
311002222100110001201210
4220002222122131020
51201023023031200
631430142013120
73051303623640
oct500252323510
9132870401653
1042994345800
111726320739a
1283ba8771a0
134092537303
14211c141520
1511b9810650
hexa02a9a748

42994345800 has 192 divisors, whose sum is σ = 152905927680. Its totient is φ = 9789661440.

The previous prime is 42994345789. The next prime is 42994345819. The reversal of 42994345800 is 854349924.

It is a self number, because there is not a number n which added to its sum of digits gives 42994345800.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1085139 + ... + 1124061.

It is an arithmetic number, because the mean of its divisors is an integer number (796385040).

Almost surely, 242994345800 is an apocalyptic number.

42994345800 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 42994345800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76452963840).

42994345800 is an abundant number, since it is smaller than the sum of its proper divisors (109911581880).

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

42994345800 is a wasteful number, since it uses less digits than its factorization.

42994345800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39212 (or 39203 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 42994345800 in words is "forty-two billion, nine hundred ninety-four million, three hundred forty-five thousand, eight hundred".